Point-and-Click Adventure Engine Family Tree: From Mystery House, MacVenture, AGI/SCI, SCUMM, ScummVM, AGS, and Beyond

Point-and-click adventures are often remembered through a few famous names: Sierra, LucasArts, Monkey Island, King’s Quest, Myst, Broken Sword, and ScummVM. But the real history is much wider, messier, and more interesting. It includes text adventures, graphical parser games, early Macintosh direct-manipulation experiments, Japanese command-menu adventures, CD-ROM puzzle worlds, indie authoring tools, and modern Unity and Godot frameworks.

Three-panel comic of a retro-gaming fan explaining point-and-click adventure history. In the first panel, he names a few famous titles and studios. In the second, he opens a packed closet full of forgotten branches like parser games, MacVenture, Portopia, HyperCard, AGS, and Wintermute. In the third, he is buried under a giant adventure-game family tree and says he only clicked one hotspot. — A fun three-panel comic showing how a few famous adventure-game names quickly turn into a huge, messy, and fascinating family tree.

This document tries to untangle that history by separating influence from actual technical lineage. SCUMM did not invent point-and-click adventures, Sierra AGI was not originally mouse-driven, Myst was not part of the LucasArts/Sierra tradition, and ScummVM is not simply “a SCUMM emulator.” Each of these systems matters, but they matter in different ways: some are engines, some are authoring tools, some are reimplementations, some are emulators, and some are simply important design milestones.

Three-panel comic showing a retro-gaming fan trying to explain point-and-click adventure history. In the first panel, he confidently presents an oversimplified family tree linking SCUMM, AGI, Myst, and ScummVM. In the second, the room erupts with correction notes explaining that influence is not the same as technical lineage. In the third, he sits beside neatly sorted boxes labeled Engine, Authoring Tool, Reimplementation, Emulator, and Design Milestone, finally understanding the difference. — A funny three-panel comic about why adventure-game history is not one neat family tree, but a mix of engines, tools, reimplementations, emulators, and big design milestones.

The result is a family tree of point-and-click adventure technology, from Mystery House, MacVenture, AGI, SCI, SCUMM, HyperCard, Groovie, Virtual Theatre, AGS, Wintermute, Visionaire, ScummVM, DREAMM, Telltale Tool, and beyond. It is not a claim that everything comes from one source. It is a map of how adventure games evolved, branched, influenced each other, and survived through preservation, fan tools, and modern development platforms.

Three-panel comic of a retro-gaming fan explaining point-and-click adventure history. In the first panel, he presents a simple tree and assumes everything came from one source. In the second, he is overwhelmed by a tangled web of names like Mystery House, MacVenture, AGI, SCI, SCUMM, HyperCard, AGS, Wintermute, Visionaire, ScummVM, and DREAMM. In the third, he realizes it is not one family tree but a whole adventure-game ecosystem, with sections for engines, authoring tools, reimplementations, emulators, preservation, and modern platforms. — A funny three-panel comic about discovering that point-and-click adventure history is not one tidy family tree, but a sprawling ecosystem of engines, tools, branches, preservation projects, and modern platforms.

1. Scope

Genre history — early text adventures, illustrated adventures, menu-driven adventures, direct-manipulation Macintosh adventures, verb-object interfaces, first-person CD-ROM puzzle adventures, and cinematic narrative adventures.
Technical lineage — proprietary studio engines, engine successors, licensed branches, source-code releases, reimplementations, ports, and compatibility layers.
Engine ecosystems — authoring tools, interpreters, virtual machines, emulators, editor toolchains, scripting languages, and preservation projects.
Influence — games or interfaces that shaped later adventure design without sharing source code.

This document does not claim that everything descends from SCUMM, Sierra AGI/SCI, HyperCard, or MacVenture. Point-and-click adventure history is a bit messy because many of the important engines were proprietary authoring systems or interpreters whose source code was never released. Several later projects are compatible reimplementations or emulators, not source-code descendants.

The strongest verified technical spines in this document are:

Sierra Hi-Res Adventures / Mystery House
        → King's Quest / AGI
        → SCI
        → Sierra SCI adventure catalogue
        → FreeSCI / ScummVM SCI support

Lucasfilm Games: Labyrinth interface experiments
        → Maniac Mansion / SCUMM
        → later LucasArts SCUMM games
        → Humongous Entertainment SCUMM/HE branch
        → ScummVM reimplementation / DREAMM emulation ecosystem
        → GrimE as LucasArts' later 3D adventure successor, not a SCUMM fork

Macintosh direct-manipulation adventure tools
        → World Builder / Enchanted Scepters
        → ICOM MacVenture / Deja Vu / Uninvited / Shadowgate
        → MacVenture-compatible reimplementations in ScummVM

1990s and 2000s indie adventure authoring
        → Adventure Game Studio
        → AGS open-source/community continuation
        → AGS games, Wadjet Eye ecosystem, ScummVM AGS support

Even in those cases, “successor” does not always mean a direct copy-forward of the same codebase. For LucasArts, Sierra, Revolution, Telltale, Cyan, Daedalic, Ron Gilbert’s modern custom engines, and general-purpose engines such as Unity and Godot, this document uses explicit relationship labels rather than a single ancestry arrow.

2. What counts as the “first point-and-click adventure”?

There is no single answer unless the definition is fixed first. “Point-and-click adventure” can mean an adventure game with graphics, a mouse-driven direct-manipulation interface, a menu-command interface, a verb-object interface, a first-person slideshow puzzle adventure, or the later LucasArts/Sierra-style third-person template. Different candidates win under different definitions.

Mystery House is a strong “first graphical adventure” candidate, but it is parser-driven rather than point-and-click. Portopia is a major Japanese adventure milestone and the Famicom version uses menu/cursor interaction, but its original 1983 version was text-input driven. Enchanted Scepters and Deja Vu are strong early Macintosh point-and-click/interface candidates. Maniac Mansion is not the first point-and-click adventure under broad definitions, but it is the key verb-object, multi-character, reusable-engine milestone that made SCUMM famous.

Candidate	Year	Why it counts	Caveats	Classification
Colossal Cave Adventure	1976/1977	Foundational interactive fiction / adventure-game ancestor.	Text-only parser; no graphics, no point-and-click interface.	Text adventure precursor
Zork / Z-machine	1977–1980	Portable virtual-machine model for interactive fiction; important interpreter lineage.	Text parser, not graphical point-and-click.	Text adventure / VM precursor
Mystery House	1980	Often treated as the first graphical adventure; combines text commands with location illustrations.	Parser-driven; no direct point-and-click manipulation.	First graphical adventure candidate
Hi-Res Adventure line	1980–1983	Sierra’s illustrated adventure framework before AGI.	Mostly parser-driven; not modern P&C.	Early graphical adventure lineage
Portopia Serial Murder Case	1983 / 1985	Influential Japanese detective adventure; Famicom version adds command menus and cursor-style searching.	Original PC version is text-input; Japanese menu-adventure lineage is parallel to Western SCUMM/Sierra.	Menu-driven adventure / visual-novel precursor
Enchanted Scepters	1984/1985	Early Macintosh adventure using World Builder-style direct manipulation and menus; often cited as an early point-and-click graphic adventure.	Release dating is messy; hybrid text/menu interface; less influential commercially than MacVenture or SCUMM.	Early Mac point-and-click candidate
King’s Quest	1984	Animated third-person graphical adventure; foundational for Sierra’s AGI lineage.	Keyboard/parser control, not mouse point-and-click.	Animated graphical adventure / AGI milestone
Deja Vu	1985	Macintosh windows, menus, inventory and direct manipulation; first MacVenture game.	First-person windowed adventure rather than LucasArts-style third-person verb UI.	Strong early point-and-click candidate
Labyrinth: The Computer Game	1986	Lucasfilm’s first adventure; word-wheel menu avoids parser guessing and influences Maniac Mansion.	Not SCUMM; not fully mouse-driven on all platforms.	Menu/verb-interface precursor to SCUMM
Maniac Mansion	1987	Debuts SCUMM, verb-object UI, multi-character puzzle design, and reusable LucasArts adventure technology.	Not the first graphical or point-and-click adventure.	Defining SCUMM / modern LucasArts P&C milestone
King’s Quest V	1990	Sierra’s major move to icon-based point-and-click in SCI1.	Later than MacVenture and SCUMM; part of a larger SCI evolution.	Sierra point-and-click template milestone
Myst	1993	First-person point-and-click CD-ROM puzzle adventure mainstream breakthrough.	Not inventory/dialogue third-person P&C; original Mac version was HyperCard-based rather than a reusable commercial adventure engine in the SCUMM sense.	First-person CD-ROM puzzle-adventure milestone

3. Relationship types

Type	Meaning	Example
Historical precursor	Earlier work that helps explain the genre or interface but is not a code ancestor.	Colossal Cave → graphical adventure genre
Interface influence	A game or tool influenced interaction design without known code inheritance.	Labyrinth word wheels → Maniac Mansion verb UI
Direct engine successor	Later proprietary engine replaces or evolves an earlier in-house engine.	Sierra AGI → SCI
Engine branch	A continuing proprietary or open branch with substantial changes.	SCUMM → Humongous Entertainment SCUMM/HE branch
Game using engine	Game built with an engine, but not itself an engine fork.	Monkey Island using SCUMM
Licensed / shared technology	Engine technology used by another studio or under a license.	Humongous using SCUMM technology
Compatible reimplementation	Independent engine intended to run existing game data.	ScummVM SCUMM, AGI, SCI, MacVenture, Gob, AGOS, etc.
Emulator / preservation layer	A system that emulates the original runtime environment rather than reimplementing the game logic as an engine.	DREAMM for LucasArts/Lucasfilm games
Source port	Port of released source code to new platforms or APIs.	AGS runtime/community ports
Authoring tool	A tool used to create games, often with its own runtime.	Adventure Game Studio, Wintermute, Visionaire, SLUDGE
Tooling ecosystem	Editors, decompilers, asset tools, launchers, or scripting systems associated with games or engines.	SCI Companion, ScummVM Tools, Inky, Yarn Spinner
Successor / rewrite	Later engine reuses concepts, workflows or some code, but source continuity is not fully public.	SCUMM → GrimE; Source? no, keep separate; Telltale Tool after LucasArts heritage
Parallel engine family	Same genre or market, no documented code inheritance.	AGS, Visionaire, Unity, Godot, Director
Disputed	Sources conflict or relationship is overstated.	“SCUMM invented point-and-click”
Unknown candidate	Mentioned in catalogues or fan trees, but primary evidence is weak.	Obscure one-off adventure engines with no source/docs located

4. Source hierarchy

This document uses the following evidence hierarchy:

Official repositories and project READMEs — strongest evidence for open-source engines, ports, reimplementations, and source releases.
Official developer/vendor documentation — strongest evidence for proprietary engine names and intended use.
Official studio pages and archived official pages — useful for discontinued engines and old commercial projects.
ScummVM documentation and compatibility pages — strong evidence for supported engines and reimplementation targets, but not proof of original source-code ancestry.
Developer interviews and technical postmortems — useful for influence, tools, workflow, and proprietary engine relationships.
Preservation and museum sources — useful for early adventure-game history.
Community catalogues, wikis, MobyGames, PCGamingWiki, and forums — useful for discovery and cross-checking, but not treated as final proof when primary sources exist.
Uncited fan claims —low-confidence candidates.

5. Historical timeline

Year	Game / Engine / Project	Classification	Technical significance	Relationship to later P&C lineage
1976/1977	Colossal Cave Adventure	Text adventure	Parser-driven cave exploration; genre root for adventure games.	Historical precursor only.
1977–1980	Zork / Z-machine	Text adventure / VM	Portable virtual machine for parser adventures.	Parser and VM precursor; later supported by Glk/ScummVM, not P&C ancestry.
1980	Mystery House	Graphical adventure	Text commands plus line-drawn graphics.	Early Sierra graphical adventure root.
1980–1983	Sierra Hi-Res Adventure / ADL-style line	Graphical adventure framework	Reusable illustrated adventure format before AGI.	Direct pre-AGI Sierra context.
1983	The Portopia Serial Murder Case	Japanese detective adventure	Text-input PC adventure; later Famicom command-menu/pointer-style interface.	Parallel Japanese menu-adventure influence.
1984	King’s Quest	Animated graphical adventure / AGI	Third-person animated avatar, vector backgrounds, AGI interpreter.	Sierra AGI lineage milestone.
1984/1985	Enchanted Scepters	Early Mac P&C candidate	Early direct-manipulation/menu Macintosh adventure; World Builder context.	Mac point-and-click / authoring-tool precursor.
1985	Deja Vu	MacVenture game	Windowed point-and-click UI with inventory and commands.	Strong early P&C candidate; start of MacVenture line.
1986	Uninvited	MacVenture game	Continued MacVenture interface.	Game using MacVenture.
1986	World Builder	Mac authoring tool	Macintosh adventure game creation system.	Authoring-tool branch; many shareware games.
1986	Labyrinth	Lucasfilm graphic adventure	Word-wheel menus avoid parser guessing.	Interface precursor to SCUMM.
1987	Shadowgate	MacVenture game	Popular fantasy MacVenture title, many ports.	Game using MacVenture.
1987	Maniac Mansion / SCUMM	Engine/game	SCUMM scripting system and verb-object point-and-click interface.	LucasArts SCUMM root.
1988	Zak McKracken	SCUMM game	Early SCUMM refinement and cross-platform development.	Game using SCUMM.
1988	SCI / King’s Quest IV	Sierra engine	Object-oriented Sierra interpreter successor to AGI.	Sierra SCI root; early SCI still parser-oriented.
1988	The Manhole	HyperCard-style first-person adventure	Cyan’s early exploratory point-and-click work.	Cyan/Myst-style first-person branch precursor.
1989	Indiana Jones and the Last Crusade	SCUMM game	More refined LucasArts adventure UI.	Game using SCUMM.
1990	Loom	SCUMM game / interface experiment	SCUMM without standard verb inventory model; musical spell interface.	SCUMM game with nonstandard UI.
1990	The Secret of Monkey Island	SCUMM game	Canonical LucasArts comic adventure design.	Defining SCUMM game.
1990	King’s Quest V	SCI1 point-and-click	Sierra moves to icon-based P&C UI with VGA.	Sierra point-and-click milestone.
1991	Monkey Island 2	SCUMM game	iMUSE and maturing SCUMM pipeline.	SCUMM game / audio tooling milestone.
1991	Gobliiins / Gob engine	Coktel engine/game	European puzzle-adventure engine family.	Parallel engine; later ScummVM Gob support.
1991	The Legend of Kyrandia / Kyra	Westwood engine/game	Dedicated fantasy P&C engine line.	Parallel engine; later ScummVM Kyra support.
1992	Lure of the Temptress / Virtual Theatre	Revolution engine/game	AI/schedule-focused adventure engine.	Revolution Virtual Theatre root.
1992	Simon the Sorcerer / AGOS	Adventure Soft engine/game	AGOS adventure engine lineage.	Parallel British engine; later ScummVM support.
1993	Day of the Tentacle	SCUMM game	Refined LucasArts SCUMM UI and animation.	SCUMM game.
1993	Sam & Max Hit the Road	SCUMM game	Icon/cursor refinements and comic pacing.	SCUMM game.
1993	The 7th Guest / Groovie	CD-ROM puzzle adventure engine	FMV/pre-rendered CD-ROM engine.	First-person puzzle/CD-ROM branch.
1993	Myst	HyperCard / first-person CD-ROM adventure	Mainstream first-person slideshow puzzle adventure.	Cyan/Mohawk/CD-ROM branch influence.
1993	Gabriel Knight: Sins of the Fathers	SCI game	Mature Sierra SCI point-and-click adventure.	Game using SCI.
1994	Beneath a Steel Sky	Virtual Theatre game	Revolution engine evolution.	Game using Virtual Theatre.
1994	Discworld / Tinsel	Engine/game	Large animated comic adventure.	Parallel engine; later ScummVM Tinsel support.
1995	Full Throttle	SCUMM game	Cinematic LucasArts SCUMM title with action sequences.	Late SCUMM branch.
1995	The 11th Hour / Groovie 2	Engine/game	Later Groovie CD-ROM branch.	Groovie successor branch.
1995	The Dig	SCUMM game	Final DOS-era SCUMM title.	Late SCUMM branch.
1996	Broken Sword: Shadow of the Templars	Revolution adventure	Revolution’s major 2D adventure line.	Virtual Theatre-family / Revolution branch.
1996	Toonstruck	Adventure engine/game	FMV/cel-animation hybrid.	Parallel engine; later ScummVM support.
1996	The Neverhood	Engine/game	Claymation point-and-click adventure.	Parallel engine; later ScummVM support.
1997	The Curse of Monkey Island	SCUMM v8 game	Final original LucasArts SCUMM adventure; high-res cartoon pipeline.	Last major SCUMM adventure milestone.
1997	Adventure Game Studio	Authoring tool	Indie adventure creation system originally by Chris Jones.	Major indie P&C engine root.
1997	Riven	Myst sequel / Mohawk-family context	High-end first-person CD-ROM puzzle adventure.	Cyan/Broderbund CD-ROM engine branch.
1998	Grim Fandango / GrimE	3D adventure engine	Lua-scripted LucasArts 3D adventure engine.	LucasArts successor/rewrite, not SCUMM.
1999	Discworld Noir / Tinsel	Engine/game	Later Discworld adventure branch.	Parallel engine.
2000	Escape from Monkey Island / GrimE	3D adventure engine/game	Last original LucasArts adventure; GrimE branch.	GrimE successor/game branch.
2001	ScummVM	Reimplementation / preservation	Begins as SCUMM game executable replacement; later many engines.	Major compatibility ecosystem.
2001–2003	Wintermute Engine	Authoring tool/engine	2D and 2.5D graphical P&C creation toolkit.	Indie authoring engine.
2003	SLUDGE	Authoring engine	Script-driven open adventure engine.	Indie authoring engine.
2004	Telltale Games / Telltale Tool	Proprietary adventure engine	Episodic 3D/cinematic adventure engine.	LucasArts alumni influence, proprietary engine.
2005	Visionaire Studio era	Authoring tool/engine	2D/2.5D P&C engine used by many European adventures.	Commercial indie/pro tool.
2006	Sam & Max Save the World	Telltale Tool game	Episodic point-and-click revival.	Game using Telltale Tool.
2009	FreeSCI merges into ScummVM	Reimplementation ecosystem	SCI support joins ScummVM line.	Sierra preservation milestone.
2010	AGS source released	Source release / community continuation	AGS editor/runtime source becomes available and community-maintained.	Open AGS continuation.
2012	Double Fine Adventure / Broken Age development	Custom / MOAI-era adventure	Crowdfunded modern adventure revival.	Modern indie/crowdfunding context, not classic engine descendant.
2013	Broken Sword 5	Revolution adventure	2D return for Broken Sword; reported as Virtual Theatre-family technology.	Revolution modern branch, exact internals proprietary.
2014	Unity adventure tool ecosystem grows	General-purpose engine + plugins	Adventure Creator and other Unity toolkits become common.	Modern P&C tooling ecosystem.
2016	Escoria for Godot public framework	Godot plugin/framework	Godot-based classic graphic adventure framework.	Modern open plugin/framework branch.
2017	Thimbleweed Park	Custom engine / SCUMM-inspired design	Custom C/C++ engine and Squirrel scripting, intentionally SCUMM-like interface.	Influence-only from SCUMM; not SCUMM code.
2020	Delores / Dinky engine testbed	Custom successor / source release of game code	Ron Gilbert tests revamped adventure engine/language.	Modern custom P&C branch.
2020	ResidualVM merges into ScummVM	Reimplementation ecosystem	3D adventure reimplementations join ScummVM.	GrimE/Myst III/3D adventure preservation.
2021	ScummVM AGS testing/support era	Reimplementation ecosystem	AGS v2.5+ games become supported in ScummVM.	AGS preservation branch.
2022	Return to Monkey Island	Custom modern adventure engine	Revamped Thimbleweed/Delores-era tech; modern controller-aware P&C design.	SCUMM/Monkey Island design successor, not SCUMM code.
2020s	PowerQuest / Adventure Creator / Popochiu / Escoria	Tool/plugin ecosystem	Unity and Godot adventure frameworks.	Modern authoring ecosystem.

6. High-level tree

6.1 Early adventure and point-and-click precursors

flowchart TD Cave["Colossal Cave Adventure"] Zork["Zork / Z-machine"] Mystery["Mystery House"] HiRes["Sierra Hi-Res Adventures"] Portopia["Portopia Serial Murder Case"] KQ["King's Quest"] AGI["AGI"] Enchanted["Enchanted Scepters"] WorldBuilder["World Builder"] DejaVu["Deja Vu"] MacVenture["MacVenture"] Labyrinth["Labyrinth"] Maniac["Maniac Mansion"] SCUMM["SCUMM"] Cave -- text adventure precursor --> Mystery Zork -- VM / parser precursor --> AGI Mystery -- Sierra graphical adventure precursor --> HiRes HiRes -- technical / studio context --> KQ KQ -- engine basis --> AGI Portopia -- menu adventure influence --> Maniac Enchanted -- early Mac P&C candidate --> WorldBuilder WorldBuilder -- authoring system --> Enchanted DejaVu -- first major MacVenture game --> MacVenture Labyrinth -- word-wheel / parser-avoidance influence --> Maniac Maniac -- first SCUMM game --> SCUMM

6.2 Sierra lineage: Hi-Res Adventures, AGI, SCI, and reimplementations

flowchart TD Mystery["Mystery House"] HiRes["Hi-Res Adventures / ADL-style line"] AGI["AGI / Adventure Game Interpreter"] KQ["King's Quest I-III"] SQ["Space Quest I-II"] LSL["Leisure Suit Larry 1"] PQ["Police Quest 1"] SCI["SCI / Sierra Creative Interpreter"] SCI0["SCI0 parser era"] SCI1["SCI1 icon P&C era"] SCI32["SCI32 / Windows era"] GK["Gabriel Knight"] KQ5["King's Quest V"] KQ7["King's Quest VII"] Phant["Phantasmagoria"] Sarien["Sarien"] NAGI["NAGI"] FreeSCI["FreeSCI"] ScummVM["ScummVM"] SCIComp["SCI Companion / tools"] Mystery -- graphical adventure root --> HiRes HiRes -- studio / technical context --> AGI AGI -- game using engine --> KQ AGI -- game using engine --> SQ AGI -- game using engine --> LSL AGI -- game using engine --> PQ AGI -- successor engine --> SCI SCI -- early branch --> SCI0 SCI -- point-and-click branch --> SCI1 SCI -- 32-bit / Windows branch --> SCI32 SCI1 -- game using engine --> KQ5 SCI1 -- game using engine --> GK SCI32 -- game using engine --> KQ7 SCI32 -- game using engine --> Phant AGI -- compatible reimplementation --> Sarien AGI -- compatible reimplementation --> NAGI SCI -- compatible reimplementation --> FreeSCI FreeSCI -- merged effort / basis --> ScummVM SCI -- tooling ecosystem --> SCIComp

6.3 Lucasfilm / LucasArts / SCUMM / GrimE lineage

flowchart TD Lab["Labyrinth"] MM["Maniac Mansion"] SCUMM["SCUMM"] Zak["Zak McKracken"] Indy3["Indiana Jones and the Last Crusade"] Loom["Loom"] MI1["The Secret of Monkey Island"] MI2["Monkey Island 2"] DOTT["Day of the Tentacle"] SamMax["Sam & Max Hit the Road"] FT["Full Throttle"] Dig["The Dig"] CMI["The Curse of Monkey Island"] HE["Humongous SCUMM / HE branch"] Putt["Putt-Putt / Freddi Fish / Pajama Sam / Spy Fox"] GrimE["GrimE"] Grim["Grim Fandango"] EMI["Escape from Monkey Island"] ScummVM["ScummVM"] DREAMM["DREAMM"] Lab -- interface precursor --> MM MM -- first SCUMM game --> SCUMM SCUMM -- game using engine --> Zak SCUMM -- game using engine --> Indy3 SCUMM -- game using engine / UI experiment --> Loom SCUMM -- game using engine --> MI1 SCUMM -- game using engine --> MI2 SCUMM -- game using engine --> DOTT SCUMM -- game using engine --> SamMax SCUMM -- game using engine --> FT SCUMM -- game using engine --> Dig SCUMM -- final major adventure branch --> CMI SCUMM -- licensed / shared branch --> HE HE -- games using branch --> Putt SCUMM -- compatible reimplementation --> ScummVM SCUMM -- emulator preservation path --> DREAMM SCUMM -- LucasArts successor / rewrite --> GrimE GrimE -- game using engine --> Grim GrimE -- game using engine --> EMI

6.4 Macintosh direct-manipulation and first-person CD-ROM branches

flowchart TD HyperCard["HyperCard / HyperTalk"] Manhole["The Manhole"] Myst["Myst"] Riven["Riven"] Mohawk["Mohawk engine"] MADE["MADE"] RTZ["Return to Zork"] WorldBuilder["World Builder"] Enchanted["Enchanted Scepters"] MacVenture["MacVenture"] DejaVu["Deja Vu"] Uninvited["Uninvited"] Shadowgate["Shadowgate"] Groovie["Groovie"] Guest["The 7th Guest"] Hour["The 11th Hour"] Director["MacroMind / Macromedia Director"] DirectorGames["CD-ROM multimedia adventures"] ScummVM["ScummVM"] HyperCard -- tool / platform --> Manhole HyperCard -- original Mac development context --> Myst Myst -- sequel / first-person puzzle lineage --> Riven Myst -- Windows/Broderbund engine context --> Mohawk Mohawk -- game/data support --> Riven MADE -- game using engine --> RTZ WorldBuilder -- authoring system --> Enchanted MacVenture -- game using engine --> DejaVu MacVenture -- game using engine --> Uninvited MacVenture -- game using engine --> Shadowgate Groovie -- game using engine --> Guest Groovie -- successor branch --> Hour Director -- authoring platform --> DirectorGames MacVenture -- compatible reimplementation --> ScummVM Mohawk -- compatible reimplementation --> ScummVM Groovie -- compatible reimplementation --> ScummVM Director -- partial compatibility / preservation --> ScummVM

6.5 European and non-Lucas/Sierra commercial adventure engines

flowchart TD AGOS["AGOS"] Simon["Simon the Sorcerer"] Elvira["Elvira / Waxworks"] Gob["Gob engine"] Gobliiins["Gobliiins series"] Cine["Cinematique / Cine"] FutureWars["Future Wars"] Cruise["Cruise engine"] CruiseGame["Cruise for a Corpse"] Kyra["Kyra engine"] Kyrandia["Legend of Kyrandia"] VT["Virtual Theatre"] Lure["Lure of the Temptress"] BASS["Beneath a Steel Sky"] BS1["Broken Sword 1"] BS2["Broken Sword 2"] Tinsel["Tinsel"] Discworld["Discworld"] Toon["Toon / Toonstruck"] Neverhood["Neverhood engine"] ScummVM["ScummVM"] AGOS -- game using engine --> Elvira AGOS -- game using engine --> Simon Gob -- game using engine --> Gobliiins Cine -- game using engine --> FutureWars Cruise -- game using engine --> CruiseGame Kyra -- game using engine --> Kyrandia VT -- game using engine --> Lure VT -- updated branch --> BASS VT -- modified branch --> BS1 VT -- modified branch --> BS2 Tinsel -- game using engine --> Discworld Toon -- game using engine --> Toonstruck["Toonstruck"] Neverhood -- game using engine --> NHGame["The Neverhood"] AGOS -- compatible reimplementation --> ScummVM Gob -- compatible reimplementation --> ScummVM Cine -- compatible reimplementation --> ScummVM Cruise -- compatible reimplementation --> ScummVM Kyra -- compatible reimplementation --> ScummVM VT -- compatible reimplementation --> ScummVM Tinsel -- compatible reimplementation --> ScummVM Toon -- compatible reimplementation --> ScummVM Neverhood -- compatible reimplementation --> ScummVM

6.6 ScummVM, ResidualVM, DREAMM, and preservation ecosystem

flowchart TD SCUMM["SCUMM games"] ScummVM["ScummVM"] AGI["AGI games"] SCI["SCI games"] Sarien["Sarien"] FreeSCI["FreeSCI"] Residual["ResidualVM"] GrimE["GrimE games"] Myst3["Myst III / 3D adventure engines"] AGS["AGS games"] Director["Director games"] Engines["Many engine modules"] Tools["ScummVM Tools"] DREAMM["DREAMM"] Lucas["LucasArts DOS/Windows/FM Towns games"] SCUMM -- first target --> ScummVM AGI -- reimplementation path --> Sarien Sarien -- incorporated/influenced support --> ScummVM SCI -- reimplementation path --> FreeSCI FreeSCI -- merged / basis --> ScummVM GrimE -- reimplementation target --> Residual Myst3 -- reimplementation target --> Residual Residual -- merged into --> ScummVM AGS -- engine support --> ScummVM Director -- engine support / ongoing --> ScummVM Engines -- modular support --> ScummVM ScummVM -- associated tools --> Tools Lucas -- emulation preservation --> DREAMM SCUMM -- also runs via emulation --> DREAMM

6.7 Indie and authoring-tool lineage

flowchart TD WorldBuilder["World Builder"] AGS["Adventure Game Studio"] AGSOpen["AGS open-source/community continuation"] Wadjet["Wadjet Eye / Blackwell / Primordia ecosystem"] AGD["Fan remakes / AGD Interactive / Infamous Adventures"] WME["Wintermute Engine"] WMEOpen["Wintermute source release / forks"] Visionaire["Visionaire Studio"] Daedalic["Daedalic / Deponia / Whispered World"] SLUDGE["SLUDGE"] OpenSLUDGE["OpenSLUDGE"] ScummVM["ScummVM"] WorldBuilder -- early authoring influence --> AGS AGS -- source release / continuation --> AGSOpen AGS -- commercial games using engine --> Wadjet AGS -- fan remake ecosystem --> AGD AGSOpen -- engine support --> ScummVM WME -- source release / maintained forks --> WMEOpen WME -- engine support --> ScummVM Visionaire -- commercial games using engine --> Daedalic SLUDGE -- open continuation --> OpenSLUDGE SLUDGE -- engine support / work-in-progress or support path --> ScummVM

6.8 Modern Unity/Godot/plugin ecosystem

flowchart TD Unity["Unity"] AC["Adventure Creator"] PQ["PowerQuest"] Ink["ink"] Yarn["Yarn Spinner"] Godot["Godot"] Escoria["Escoria"] Popochiu["Popochiu"] Unreal["Unreal Engine"] ModernPnc["Modern point-and-click / narrative games"] Unity -- plugin/toolkit --> AC Unity -- plugin/toolkit --> PQ Unity -- narrative scripting integration --> Ink Unity -- narrative scripting integration --> Yarn Godot -- framework --> Escoria Godot -- plugin --> Popochiu Unreal -- general-purpose engine --> ModernPnc AC -- games made with toolkit --> ModernPnc PQ -- games made with toolkit --> ModernPnc Escoria -- games made with framework --> ModernPnc Popochiu -- games made with plugin --> ModernPnc Ink -- narrative tooling, not full P&C engine --> ModernPnc Yarn -- narrative tooling, not full P&C engine --> ModernPnc

6.9 Telltale and cinematic adventure branches

flowchart TD LucasArts["LucasArts adventure alumni"] Telltale["Telltale Games"] Tool["Telltale Tool"] Bone["Bone"] SamMax["Sam & Max Save the World"] Wallace["Wallace & Gromit"] MonkeyTales["Tales of Monkey Island"] WalkingDead["The Walking Dead"] LaterTT["Later cinematic choice-driven Telltale games"] Skunkape["Skunkape remasters"] LucasArts -- personnel / design heritage --> Telltale Telltale -- proprietary engine --> Tool Tool -- game using engine --> Bone Tool -- game using engine --> SamMax Tool -- game using engine --> Wallace Tool -- game using engine --> MonkeyTales Tool -- game using engine --> WalkingDead Tool -- evolving branch --> LaterTT Tool -- remaster/source-access branch --> Skunkape

6.10 SCUMM-inspired modern custom engines

flowchart TD SCUMM["SCUMM design heritage"] TP["Thimbleweed Park custom engine"] Squirrel["Squirrel scripting"] Delores["Delores / Dinky testbed"] RTMI["Return to Monkey Island"] Modern["Modern custom P&C workflows"] SCUMM -- interface / design influence only --> TP TP -- custom C/C++ 2D tech --> Squirrel TP -- revamped successor/testbed --> Delores Delores -- custom language / engine evolution --> RTMI RTMI -- modern controller-aware P&C design --> Modern

7. Full node catalogue

Node	Category	First release / era	Parent or basis	Relationship type	Status	Notes
Colossal Cave Adventure	text adventure	1976/1977	None	Historical precursor	Historical	Parser adventure root; not P&C.
Zork	text adventure	1977–1980	MIT/Infocom work	Historical precursor	Historical/source available in several forms	Important parser adventure, not graphical P&C.
Z-machine	virtual machine	1979/1980	Infocom	VM / interpreter lineage	Historical / reimplemented	Important VM model; later supported by interpreters and Glk stacks.
Mystery House	game	1980	On-Line Systems	Graphical adventure precursor	Historical	Often called first graphical adventure; parser-driven.
ADL / Hi-Res Adventure line	engine/framework	1980–1983	Sierra early tech	Sierra graphical adventure lineage	Historical	Early illustrated Sierra adventure framework before AGI.
King’s Quest	game	1984	AGI	Game using engine	Historical	Animated third-person graphical adventure.
AGI / Adventure Game Interpreter	engine	1984	Sierra / IBM PCjr project	Direct engine lineage	Historical / partially source-preserved / reimplemented	Used by early Sierra adventures.
Game Adaptation Language	scripting language	1980s	AGI toolchain	Tooling	Historical	AGI high-level logic language compiled to bytecode.
Sierra Creative Interpreter / SCI	engine	1988	Sierra post-AGI work	Successor engine	Historical / reimplemented	Object-oriented Sierra interpreter, many versions.
SCI0	engine branch	1988	SCI	Engine branch	Historical	Early parser-oriented SCI branch.
SCI1 / SCI1.1	engine branch	1990–1992	SCI	Engine branch	Historical	Icon-based point-and-click VGA era.
SCI2 / SCI32 / SCI3	engine branch	1993–1996	SCI	Engine branch	Historical	Later SVGA/Windows Sierra tech.
Sarien	interpreter	1990s/2000s	AGI	Compatible reimplementation	Dormant/historical	Open AGI reimplementation; AGI preservation path.
NAGI	interpreter	2000s	AGI executable reverse engineering	Compatible reimplementation	Historical	Clone of Sierra AGI interpreter.
FreeSCI	interpreter	1999–2009	SCI	Compatible reimplementation	Merged/historical	SCI reimplementation whose work merged into ScummVM.
SCI Companion	tool	2010s	SCI ecosystem	Tooling ecosystem	Maintained/unknown	Editor/decompiler tooling for SCI fan development.
Portopia Serial Murder Case	game	1983 / 1985	Enix / Yuji Horii	Parallel menu-adventure influence	Historical	Japanese adventure milestone; Famicom version adds command menu/cursor elements.
Enchanted Scepters	game	1984/1985	World Builder prototype/tool	Early P&C candidate	Historical	Early Macintosh hybrid point-and-click/text adventure.
World Builder	authoring tool	1986	Silicon Beach Software	Authoring tool	Historical/freeware	Macintosh adventure game creation system.
Deja Vu	game	1985	MacVenture	Game using engine	Historical	First MacVenture game; strong early P&C candidate.
MacVenture	engine/interface family	1985	ICOM Simulations	Engine family	Historical/reimplemented	Windowed Macintosh point-and-click adventure interface.
Uninvited	game	1986	MacVenture	Game using engine	Historical	Horror MacVenture game.
Shadowgate	game	1987	MacVenture	Game using engine	Historical	Major fantasy MacVenture game.
Deja Vu II	game	1988	MacVenture	Game using engine	Historical	MacVenture sequel.
Labyrinth	game/interface	1986	Lucasfilm Games	Interface precursor	Historical	Word-wheel interface; Lucasfilm pre-SCUMM adventure.
Maniac Mansion	game	1987	SCUMM	First SCUMM game	Historical	Debut of SCUMM and verb-object UI.
SCUMM	engine/scripting system	1987	Lucasfilm Games	Engine family	Historical/reimplemented/emulated	Script Creation Utility for Maniac Mansion; central LucasArts adventure tech.
Zak McKracken	game	1988	SCUMM	Game using engine	Historical	Early SCUMM title.
Indiana Jones and the Last Crusade	game	1989	SCUMM	Game using engine	Historical	SCUMM adventure refinement.
Loom	game	1990	SCUMM	Game using engine / UI experiment	Historical	SCUMM game with nonstandard musical command interface.
The Secret of Monkey Island	game	1990	SCUMM	Game using engine	Historical	Defining LucasArts comic adventure.
Monkey Island 2	game	1991	SCUMM	Game using engine	Historical	SCUMM with iMUSE-era audio tech.
Day of the Tentacle	game	1993	SCUMM	Game using engine	Historical	Mature LucasArts SCUMM adventure.
Sam & Max Hit the Road	game	1993	SCUMM	Game using engine	Historical	Mature SCUMM comic adventure.
Full Throttle	game	1995	SCUMM	Game using engine	Historical	Cinematic late SCUMM title.
The Dig	game	1995	SCUMM	Game using engine	Historical	Late DOS SCUMM title.
The Curse of Monkey Island	game	1997	SCUMM v8	Game using engine	Historical	Final major SCUMM adventure.
Humongous Entertainment SCUMM / HE branch	engine branch	1992–2003	SCUMM technology	Licensed/shared branch	Historical/reimplemented	Putt-Putt, Freddi Fish, Pajama Sam, Spy Fox, and other HE games.
GrimE	engine	1998	LucasArts post-SCUMM technology	Successor/rewrite	Historical/reimplemented	Lua-scripted 3D adventure engine for Grim Fandango and Escape from Monkey Island.
Grim Fandango	game	1998	GrimE	Game using engine	Historical	LucasArts 3D adventure milestone.
Escape from Monkey Island	game	2000	GrimE	Game using engine	Historical	Last original LucasArts adventure.
ScummVM	compatibility/reimplementation project	2001	SCUMM reimplementation	Compatible reimplementation ecosystem	Active	Replaces many original adventure game executables; not an emulator in its own terminology.
ResidualVM	compatibility/reimplementation project	2003	GrimE/3D adventure targets	Compatible reimplementation ecosystem	Merged into ScummVM	Sister project for 3D adventure engines.
DREAMM	emulator/preservation layer	2022	LucasArts/Lucasfilm runtime environments	Emulator	Active	Specialized emulator for DOS/Windows/FM Towns LucasArts and adjacent games.
ScummVM Tools	tooling	2000s	ScummVM ecosystem	Tooling ecosystem	Active	Asset extraction/conversion tools for supported engines.
HyperCard	authoring platform	1987	Apple	Authoring platform	Historical	Important Mac multimedia authoring system; Myst original used HyperCard.
The Manhole	game	1988	HyperCard / Cyan tech	Game using authoring platform	Historical	Cyan first-person exploratory adventure precursor to Myst.
Myst	game	1993	HyperCard original / later ports	First-person adventure milestone	Historical/remade	Major CD-ROM puzzle adventure; original Mac was HyperCard-based.
Mohawk engine	engine	early 1990s	Broderbund / Myst porting context	Engine family	Historical/reimplemented	Used for Myst/Riven-family data and other Broderbund titles in ScummVM context.
Riven	game	1997	Cyan/Mohawk-family context	Game using related tech	Historical/remade	Myst sequel; first-person CD-ROM puzzle adventure milestone.
MADE	multimedia engine	early 1990s	Activision/Macromedia-era multimedia context	Parallel engine	Historical/reimplemented	Multimedia Applications Development Environment; Return to Zork and others.
Return to Zork	game	1993	MADE	Game using engine	Historical	First-person adventure / Zork revival.
Groovie	engine	1993	Trilobyte	CD-ROM puzzle-adventure engine	Historical/reimplemented	Used by The 7th Guest and later titles.
The 7th Guest	game	1993	Groovie	Game using engine	Historical	CD-ROM FMV/pre-rendered puzzle milestone.
The 11th Hour	game	1995	Groovie 2	Game using engine branch	Historical	Later Groovie title.
MacroMind / Macromedia Director	authoring platform	late 1980s/1990s	MacroMind/Macromedia	Multimedia authoring platform	Historical/partly supported	Used for many CD-ROM multimedia/adventure titles; ScummVM Director support is evolving.
AGOS	engine	late 1980s/1990s	Horror Soft / Adventure Soft	Parallel engine	Historical/reimplemented	Adventure Graphic Operating System; based on AberMUD V with graphical extensions.
Elvira / Waxworks line	games	1990–1992	AGOS	Games using engine	Historical	Horror Soft/Adventure Soft titles.
Simon the Sorcerer	game	1993	AGOS	Game using engine	Historical	Major British P&C adventure.
Gob engine	engine	1991	Coktel Vision	Parallel engine	Historical/reimplemented	Gobliiins and other Coktel games.
Gobliiins	game	1991	Gob	Game using engine	Historical	Puzzle-adventure line.
Cinematique / Cine	engine	late 1980s/early 1990s	Delphine Software	Parallel engine	Historical/reimplemented	Future Wars and Operation Stealth.
Cruise engine	engine	1991	Delphine Software	Parallel engine	Historical/reimplemented	Cruise for a Corpse.
Kyra engine	engine	1990s	Westwood Studios	Parallel engine	Historical/reimplemented	Legend of Kyrandia family.
Legend of Kyrandia	game	1992	Kyra	Game using engine	Historical	Westwood P&C line.
Virtual Theatre	engine	1992	Revolution Software	Engine family	Historical/reimplemented	Lure, Beneath a Steel Sky, Broken Sword 1/2.
Lure of the Temptress	game	1992	Virtual Theatre	Game using engine	Historical/freeware	First Revolution title using Virtual Theatre.
Beneath a Steel Sky	game	1994	Virtual Theatre	Game using engine	Historical/freeware	Major Revolution adventure, supported by ScummVM.
Broken Sword: Shadow of the Templars	game	1996	Virtual Theatre-family / Revolution tech	Game using engine	Historical/remastered	Major Revolution adventure.
Broken Sword II	game	1997	Virtual Theatre-family / Revolution tech	Game using engine	Historical/remastered	Revolution sequel.
Tinsel	engine	1990s	Teeny Weeny / Perfect Entertainment context	Parallel engine	Historical/reimplemented	Used by Discworld adventures.
Discworld	game	1995	Tinsel	Game using engine	Historical	Terry Pratchett-based adventure.
Discworld II	game	1996	Tinsel	Game using engine	Historical	Tinsel branch continuation.
Discworld Noir	game	1999	Tinsel/related tech	Game using engine	Historical	Later Discworld adventure.
Toonstruck / Toon engine	game/engine	1996	Burst / Virgin	Parallel engine	Historical/reimplemented	Animated/FM V hybrid adventure.
The Neverhood engine	engine/game	1996	The Neverhood, Inc.	Parallel engine	Historical/reimplemented	Claymation adventure; spiritual successor Armikrog later uses Unity.
MADS	engine	1990s	MicroProse / Sanctuary Woods?	Parallel engine	Historical/reimplemented	Rex Nebular, Return of the Phantom, Dragonsphere family.
SAGA	engine	1994–1995	The Dreamers Guild	Parallel engine	Historical/reimplemented	Inherit the Earth, I Have No Mouth and I Must Scream.
Flight of the Amazon Queen engine	engine/game	1995	Interactive Binary Illusions	Parallel engine	Historical/reimplemented/freeware	Often known through ScummVM’s queen engine.
Adventure Game Studio / AGS	authoring engine	1997	Chris Jones / Adventure Creator	Authoring tool/engine	Active/open source	Major indie graphic adventure tool.
AGS open-source continuation	source port / community branch	2010s	AGS source release	Source continuation	Active	Community-maintained editor/runtime and ports.
Wadjet Eye AGS ecosystem	games/publisher ecosystem	2006+	AGS	Games using engine	Active	Blackwell, Gemini Rue, Resonance, Primordia publishing/development context.
AGD Interactive / Sierra fan remakes	game ecosystem	2000s	AGS	Games using engine	Historical/active-ish	Fan remakes influenced by Sierra AGI/SCI style.
Wintermute Engine / WME	authoring engine	2000s	Dead:Code / Jan Nedoma	Authoring tool/engine	Historical/open source	2D/2.5D point-and-click adventure engine.
Wintermute Lite	branch	2010s	WME	Engine branch/port	Historical/unknown	Mobile/SDL-oriented WME branch, later merged with ecosystem in places.
Visionaire Studio	authoring engine	2000s	Visionaire Studio team	Authoring tool/engine	Active	Commercial 2D/2.5D P&C engine.
Daedalic Visionaire ecosystem	games/studio ecosystem	2000s–2010s	Visionaire	Games using engine	Historical/active IP	Deponia, The Whispered World, Harvey’s New Eyes, etc.
SLUDGE	authoring engine	2003	Hungry Software / Tim Furnish	Authoring tool/engine	Open/free software	Script-driven adventure engine.
OpenSLUDGE	open continuation	2010s	SLUDGE	Source continuation	Dormant/maintained lightly	LGPL/GPL project continuation.
Telltale Tool	proprietary engine	2004	Telltale Games	Proprietary engine	Historical/proprietary	Episodic 3D/cinematic adventure engine.
Bone	game	2005	Telltale Tool	Game using engine	Historical	Early Telltale adventure.
Sam & Max Save the World	game	2006	Telltale Tool	Game using engine	Remastered	Episodic adventure revival.
Tales of Monkey Island	game series	2009	Telltale Tool	Game using engine	Historical	Monkey Island license via Telltale.
The Walking Dead	game series	2012	Telltale Tool	Game using engine branch	Historical	Choice-driven cinematic adventure milestone, less traditional P&C.
Skunkape Sam & Max remasters	remaster branch	2020+	Telltale Tool/source access	Proprietary branch / remaster	Active	Remasters by ex-Telltale developers using updated Telltale Tool.
Broken Age	game	2014	Double Fine custom/MOAI-era tech	Game using custom/general tech	Historical	Crowdfunded modern adventure revival.
Thimbleweed Park custom engine	custom engine	2017	Ron Gilbert custom C/C++ 2D engine	Custom engine / SCUMM influence only	Historical/closed	SCUMM-inspired design, not SCUMM source.
Squirrel scripting in Thimbleweed Park	scripting language usage	2017	Squirrel	Tooling/scripting	Historical	Used in Thimbleweed Park custom pipeline.
Delores / Dinky	custom engine/language testbed	2020	Thimbleweed-era tech successor	Successor/testbed	Historical/source released with restrictions	Prototype for later Ron Gilbert engine work.
Return to Monkey Island engine	custom engine branch	2022	Delores/Thimbleweed-era tech	Custom successor	Commercial/proprietary	Modern Monkey Island engine branch; not SCUMM.
Unity	general-purpose engine	2005+	Unity Technologies	Parallel general-purpose engine	Active	Common modern platform for adventure games.
Adventure Creator	Unity toolkit	2010s	Unity	Plugin/toolkit	Active	Toolkit for 2D, 2.5D and 3D adventure games.
PowerQuest	Unity toolkit	2010s	Unity / AGS-inspired workflows	Plugin/toolkit	Active/available	Unity tool for 2D point-and-click games.
Godot	general-purpose engine	2014+	Godot Engine	Parallel general-purpose engine	Active	Open-source platform for adventure frameworks.
Escoria	Godot framework	2016	Godot	Plugin/framework	Active/maintained	Framework for 3rd-person point-and-click adventures.
Popochiu	Godot plugin	2020s	Godot; inspired by AGS/PowerQuest	Plugin/framework	Active	Godot 4-oriented P&C plugin.
ink	narrative scripting language	2010s	Inkle	Scripting/tooling	Active/open source	Narrative scripting for text-centric and graphical games; not full P&C engine.
Yarn Spinner	narrative scripting	2010s	Secret Lab / open source	Scripting/tooling	Active	Dialogue/narrative scripting; not full P&C engine.
Unreal Engine	general-purpose engine	1998+	Epic	Parallel general-purpose engine	Active	Used by some modern narrative/adventure projects; not P&C-specific.
Inform / Twine / Glk	interactive narrative systems	1990s+	IF/community	Parallel narrative tooling	Active	Important narrative tooling, not P&C engines.

8. Edge evidence table

Parent	Child	Relationship type	Evidence summary
Colossal Cave / Zork	Later adventure genre	Historical precursor	Parser adventure design predates graphical and point-and-click adventures; no point-and-click engine lineage.
Mystery House	Sierra Hi-Res Adventures	Studio/technical context	Mystery House begins Sierra/On-Line Systems graphical adventure history.
Sierra Hi-Res Adventures	AGI	Successor/studio context	AGI was created for King’s Quest and replaced the earlier illustrated adventure approach for Sierra’s animated adventures.
AGI	SCI	Direct engine successor	SCI was Sierra’s successor to AGI, with a richer scripting/object model and later P&C interfaces.
SCI	King’s Quest V / Gabriel Knight / Quest for Glory / later Sierra titles	Games using engine	SCI powered Sierra’s major late-1980s/1990s adventure catalogue.
AGI	Sarien / NAGI	Compatible reimplementations	Independent interpreters target Sierra AGI data; not official Sierra source forks.
SCI	FreeSCI	Compatible reimplementation	FreeSCI targeted Sierra SCI games.
FreeSCI	ScummVM	Merged/basis	ScummVM SCI support is based on/merged with FreeSCI work.
Portopia	Japanese command-menu adventure lineage	Interface influence	The Famicom version’s command menu/cursor searching helped define Japanese adventure/visual novel interaction.
Enchanted Scepters	World Builder	Authoring-system relationship	Enchanted Scepters was made with the system later released as World Builder.
World Builder	Macintosh shareware adventure scene	Authoring ecosystem	World Builder enabled many Mac hobbyist/shareware adventures.
MacVenture	Deja Vu / Uninvited / Shadowgate / Deja Vu II	Games using engine	These are the core ICOM MacVenture games.
MacVenture	ScummVM	Compatible reimplementation	ScummVM includes a MacVenture engine module.
Labyrinth	Maniac Mansion / SCUMM	Interface influence	Labyrinth’s word-wheel menu design is a direct Lucasfilm pre-SCUMM context and influenced parser-avoidance.
Maniac Mansion	SCUMM	First game / engine origin	SCUMM was devised for Maniac Mansion.
SCUMM	LucasArts adventure catalogue	Games using engine	SCUMM powered LucasArts adventures from Maniac Mansion through The Curse of Monkey Island.
SCUMM	Humongous Entertainment branch	Licensed/shared technology	Humongous used a SCUMM/HE branch for children’s adventure and activity games.
SCUMM	ScummVM	Compatible reimplementation	ScummVM originally targeted SCUMM games by replacing original executables.
SCUMM / LucasArts runtime environment	DREAMM	Emulator/preservation path	DREAMM emulates DOS/Windows/FM Towns LucasArts environments rather than only reimplementing individual engines.
SCUMM	GrimE	Successor/rewrite	GrimE is LucasArts’ later 3D adventure engine; treat as successor/rewrite, not a simple SCUMM fork.
GrimE	Grim Fandango / Escape from Monkey Island	Games using engine	These are LucasArts’ two original GrimE adventures.
GrimE	ResidualVM / ScummVM	Compatible reimplementation	ResidualVM targeted GrimE and later merged into ScummVM.
HyperCard	The Manhole / Myst original	Authoring platform	Cyan’s early first-person adventures used HyperCard/HyperTalk workflows.
Myst	Riven / Myst-style adventures	Sequel and genre influence	Myst popularized first-person slideshow/CD-ROM puzzle adventure design.
Myst/Riven/Mohawk	ScummVM	Compatible reimplementation	ScummVM includes Mohawk-family support for Myst/Riven-type data.
Groovie	The 7th Guest / The 11th Hour	Games using engine	Trilobyte’s Groovie engine powered these CD-ROM puzzle adventures.
Groovie	ScummVM	Compatible reimplementation	ScummVM supports Groovie engine games.
Director	CD-ROM multimedia adventures	Authoring platform	Many 1990s multimedia adventures used Director/Lingo; ScummVM Director support is ongoing.
AGOS	Simon the Sorcerer / Elvira / Waxworks	Games using engine	Adventure Soft/Horror Soft AGOS lineage.
AGOS	ScummVM	Compatible reimplementation	ScummVM includes AGOS support.
Gob	Gobliiins / Coktel catalogue	Games using engine	Coktel Vision’s Gob engine supports the Gobliiins line and other titles.
Gob	ScummVM	Compatible reimplementation	ScummVM includes Gob support.
Cinematique / Cine	Future Wars / Operation Stealth	Games using engine	Delphine’s cinematic engine line.
Cine / Cruise	ScummVM	Compatible reimplementation	ScummVM includes Cine and Cruise engines.
Kyra	Legend of Kyrandia	Game using engine	Westwood’s P&C adventure line.
Kyra	ScummVM	Compatible reimplementation	ScummVM supports Kyra games.
Virtual Theatre	Lure / Beneath a Steel Sky / Broken Sword 1/2	Games using engine	Revolution officially groups these titles under Virtual Theatre development.
Virtual Theatre	ScummVM	Compatible reimplementation	ScummVM supports Revolution’s Lure/Sword/BASS engine families.
Tinsel	Discworld games	Games using engine	Tinsel powered Discworld adventure titles.
Tinsel	ScummVM	Compatible reimplementation	ScummVM supports Tinsel games.
Adventure Game Studio	AGS open-source continuation	Source release / community continuation	AGS editor/runtime source is published and maintained on GitHub.
AGS	Wadjet Eye / fan remake ecosystems	Games using engine	AGS powered many commercial and fan-made P&C titles.
AGS	ScummVM	Engine support	ScummVM added AGS v2.5+ support for many games.
Wintermute Engine	WME games	Games using engine	WME was designed for graphical 2D/2.5D point-and-click adventures.
Wintermute Engine	Open-source forks / ScummVM ecosystem	Source release / engine support	WME source is available; ScummVM includes Wintermute support paths.
Visionaire Studio	Daedalic / Deponia ecosystem	Games using engine	Visionaire is a P&C engine used by multiple commercial adventures.
SLUDGE	OpenSLUDGE	Source continuation	SLUDGE became free/open software and has an open continuation.
LucasArts adventure alumni	Telltale Games	Personnel/design heritage	Telltale was founded by former LucasArts developers after LucasArts pulled away from adventures.
Telltale Games	Telltale Tool	Proprietary engine	Telltale used its proprietary tool for episodic/cinematic adventures.
Telltale Tool	Sam & Max / Walking Dead / later Telltale titles	Games using engine	Proprietary engine branch; exact internals closed.
SCUMM design heritage	Thimbleweed Park custom engine	Influence only	Thimbleweed Park intentionally evokes SCUMM-era design but uses custom modern tech.
Thimbleweed Park tech	Delores / Return to Monkey Island	Custom successor/testbed	Ron Gilbert’s later custom tech evolved through Delores and Return to Monkey Island.
Unity	Adventure Creator / PowerQuest	Plugin/toolkit relationship	Unity is a general-purpose engine; these are adventure-specific toolkits.
Godot	Escoria / Popochiu	Plugin/framework relationship	Godot is a general-purpose engine; Escoria and Popochiu add P&C structures.
ink / Yarn Spinner	Modern narrative/adventure games	Tooling ecosystem	Narrative scripting systems, not full adventure engines by themselves.

9. Important corrections and caveats

SCUMM did not invent point-and-click adventure games. It codified and popularized a very influential verb-object interface and production pipeline, but earlier point-and-click or menu-driven adventures existed.
Mystery House is not point-and-click in the modern sense. It is crucial because it is graphical, not because it has direct manipulation.
King’s Quest is not point-and-click at first. AGI-era Sierra adventures are animated graphical parser games; Sierra’s major icon P&C shift comes later in SCI.
MacVenture matters more than many simplified trees admit. Deja Vu, Uninvited, and Shadowgate are early and important direct-manipulation Macintosh adventures.
Japanese adventure history is parallel, not a footnote. Portopia and command-menu detective adventures influenced Japanese visual novels and console adventures independently of LucasArts/Sierra code lineage.
ScummVM is not an emulator in its own terminology. It is primarily a collection of engine reimplementations that replace original executables, though it includes or interacts with components that may emulate subsystems.
DREAMM is a different preservation approach. It is an emulator focused on LucasArts/Lucasfilm runtime environments, not a fork of SCUMM or ScummVM.
ResidualVM’s merger changes modern ScummVM scope. ScummVM now covers many 3D adventures and non-P&C titles, so “ScummVM = SCUMM only” is outdated.
Games using an engine are not necessarily engine branches. Monkey Island, Gabriel Knight, Beneath a Steel Sky, Simon the Sorcerer, and Deponia are games built with engines, not separate engine forks unless evidence says so.
Authoring tools are not always engines in the same sense. AGS, Visionaire, Wintermute, World Builder, Director, Unity plugins, and Godot frameworks combine editors, runtimes, scripts, and workflows.
Commercial proprietary successor claims need caution. Telltale Tool, GrimE, Broken Sword 5 technology, Daedalic/Visionaire usage, and Ron Gilbert’s modern Dinky/Return to Monkey Island tech have public evidence, but not full source-level disclosure.
HyperCard is a platform/tool, not a P&C engine family by itself. It enabled important games such as The Manhole and original Myst workflows, but it should not be collapsed into SCUMM-like adventure-engine lineage.
Unity and Godot are parallel modern platforms. They host adventure frameworks and games but are not descendants of SCUMM, AGI, SCI, or MacVenture.
Narrative scripting is not the same as adventure interaction. ink, Yarn Spinner, Twine, Inform, and Glk belong in the narrative ecosystem, but they are not point-and-click engines unless paired with a game runtime/UI layer.

10. Modern additions worth highlighting

Early adventure roots and first-P&C candidates

Mystery House as the early graphical adventure milestone.
Portopia as a parallel Japanese command-menu and detective-adventure milestone.
Enchanted Scepters and World Builder as early Macintosh direct-manipulation adventure history.
Deja Vu / MacVenture as one of the strongest early point-and-click interface branches.
Labyrinth as the Lucasfilm bridge between parser adventures and SCUMM.

Sierra lineage

AGI as the King’s Quest-era animated adventure interpreter.
SCI as Sierra’s successor engine, with parser, icon-P&C, VGA, SVGA and Windows-era branches.
Sarien, NAGI, FreeSCI and ScummVM as preservation/reimplementation branches.
SCI Companion and fan remake ecosystems as tooling rather than engine ancestry.

LucasArts and SCUMM lineage

SCUMM from Maniac Mansion through The Curse of Monkey Island.
Humongous Entertainment’s SCUMM/HE branch as a real licensed/shared technology branch.
GrimE as LucasArts’ 3D adventure successor/rewrite, not a SCUMM source fork.
ScummVM and DREAMM as two different preservation approaches.

European commercial adventure engines

Revolution’s Virtual Theatre.
Adventure Soft/Horror Soft’s AGOS.
Coktel Vision’s Gob engine.
Delphine’s Cinematique/Cine and Cruise engines.
Westwood’s Kyra engine.
Tinsel, Toonstruck, Neverhood, SAGA, MADS, Groovie, and other ScummVM-supported branches.

First-person/CD-ROM branch

HyperCard and Cyan’s early The Manhole / Myst workflow.
Mohawk/Myst/Riven support as first-person puzzle adventure branch.
Groovie / The 7th Guest as FMV/pre-rendered CD-ROM puzzle branch.
Director and MADE as multimedia-authoring platforms that overlap with adventure games.

Indie and authoring engines

Adventure Game Studio as the major 1997+ indie P&C engine.
Wintermute Engine as 2D/2.5D P&C toolkit.
Visionaire Studio as a commercial 2D/2.5D adventure engine.
SLUDGE/OpenSLUDGE as open/free script-driven adventure engine.
Wadjet Eye, AGD Interactive, Infamous Adventures, and other AGS ecosystems as game/tool communities.

Modern general-purpose platforms and plugins

Unity + Adventure Creator.
Unity + PowerQuest.
Godot + Escoria.
Godot + Popochiu.
ink and Yarn Spinner as narrative scripting layers used alongside engines, not full P&C engines alone.

Modern SCUMM-inspired custom engines

Thimbleweed Park as a custom-engine, SCUMM-inspired design revival.
Delores / Dinky as a later custom testbed.
Return to Monkey Island as a modern custom branch with SCUMM/Monkey Island design heritage but no simple SCUMM code lineage claim.

11. Unverified / disputed candidates

Candidate relationship	Why uncertain
Enchanted Scepters as the “first point-and-click adventure”	Release date and definition vary; it is hybrid text/menu/direct manipulation and had limited commercial influence.
Deja Vu as the “first point-and-click adventure”	Very strong UI candidate, but Enchanted Scepters and Japanese menu/cursor systems complicate the claim.
Portopia as point-and-click ancestor	Famicom version has cursor/menu features, but original 1983 version is parser/text-command.
Mystery House as point-and-click ancestor	It is graphical, but parser-driven.
AGI → SCI exact source-code continuity	SCI is Sierra’s successor, but public source-level continuity is incomplete.
Labyrinth → SCUMM source relationship	Strong interface/design precursor; not proven as a direct code ancestor.
SCUMM → GrimE source relationship	GrimE is a LucasArts successor/rewrite; exact code reuse is not public.
Humongous Entertainment SCUMM branch exact version tree	The branch is real, but version-by-version SCUMM/HE internals are mostly community/reverse-engineered.
Broken Sword 5 exact Virtual Theatre relationship	Modern materials identify the engine as Virtual Theatre in some places, but code continuity from the 1990s engine is not fully public.
Telltale Tool → GrimE relationship	Both involve Lua-ish/3D adventure heritage and LucasArts alumni, but direct code ancestry is not established here.
Visionaire usage per individual game	Visionaire is public and many game claims are credible, but each game should be verified individually.
Ron Gilbert Dinky / Return to Monkey Island exact architecture	Public posts describe engine evolution, but source-level architecture is proprietary.
ScummVM support implies original engine family	ScummVM support proves a compatibility target, not necessarily original source-code lineage.
Director support in ScummVM for all Director games	Director support is broad and evolving; compatibility varies by Director version and Xtras.

12. Bibliography

Early adventure history / first-candidate sources

[Smithsonian-MysteryHouse] — Smithsonian Magazine, “The Pioneer of Graphic Adventure Games Was a Woman.” <https://www.smithsonianmag.com/smart-news/1980s-roberta-williams-brought-graphic-adventure-games-home-180962160/>
[MysteryHouse-WP] — Mystery House overview and historical references. <https://en.wikipedia.org/wiki/Mystery_House>
[DigitalAntiquarian-MysteryHouse] — Jimmy Maher, Mystery House history. <https://www.filfre.net/2011/10/mystery-house-part-1/>
[Portopia-SquareEnix] — Square Enix AI Tech Preview / Portopia historical description. <https://www.jp.square-enix.com/ai-tech-preview/portopia/en/>
[Portopia-Steam] — Square Enix, Portopia AI Tech Preview on Steam. <https://store.steampowered.com/app/2280000/SQUAREENIXAITechPreviewTHEPORTOPIASERIALMURDER_CASE/>
[Portopia-WP] — Portopia historical overview. <https://en.wikipedia.org/wiki/ThePortopiaSerialMurderCase>
[EnchantedScepters-Archive] — Internet Archive, Enchanted Scepters. <https://archive.org/details/EnchantedSceptersMacintosh>
[WorldBuilder-WP] — World Builder overview and references. <https://en.wikipedia.org/wiki/World_Builder>
[WorldBuilder-Manual] — World Builder manual archive. <https://www.mocagh.org/miscgame/worldbuilder-manual.pdf>
[MacVenture-ScummVM] — ScummVM Wiki, MacVenture. <https://wiki.scummvm.org/index.php/MacVenture>
[MacVenture-WP] — MacVenture series overview. <https://en.wikipedia.org/wiki/MacVenture>
[DejaVu-WP] — Deja Vu / MacVenture overview. <https://en.wikipedia.org/wiki/D%C3%A9j%C3%A0Vu(video_game)>

Sierra AGI / SCI sources

[AGI-ScummVM] — ScummVM Wiki, AGI. <https://wiki.scummvm.org/index.php/AGI>
[AGI-Source] — Lance Ewing, partial original Sierra AGI source repository. <https://github.com/lanceewing/agi>
[AGI-WP] — Adventure Game Interpreter overview. <https://en.wikipedia.org/wiki/AdventureGameInterpreter>
[SierraAGI-DOSDays] — DOS Days, Sierra AGI. <https://dosdays.co.uk/topics/sierra_agi.php>
[SCI-ScummVM] — ScummVM Wiki, SCI. <https://wiki.scummvm.org/index.php/SCI>
[SCI-WP] — Sierra Creative Interpreter overview. <https://en.wikipedia.org/wiki/SierraCreativeInterpreter>
[SCI-DOSDays] — DOS Days, Sierra Creative Interpreter. <https://www.dosdays.co.uk/topics/sierra_sci.php>
[FreeSCI-LinuxCom] — Linux.com, FreeSCI merges into ScummVM. <https://www.linux.com/training-tutorials/news-you-might-have-missed-freesci-merges-scummvm-project/>
[Sarien-SierraHelp] — Sierra Help, Sarien. <https://sierrahelp.com/Utilities/Interpreters/Sarien.html>
[NAGI-SierraHelp] — Sierra Help, NAGI. <https://sierrahelp.com/Utilities/Interpreters/NAGI.html>
[SCICompanion] — SCI Companion project. <https://github.com/icefallgames/SCICompanion>

Lucasfilm / LucasArts / SCUMM / GrimE sources

[Lucasfilm-SCUMM] — Lucasfilm Originals: SCUMM. <https://www.lucasfilm.com/news/lucasfilm-originals-scumm/>
[RonGilbert-About] — Ron Gilbert biography / SCUMM note. <https://www.grumpygamer.com/about/>
[Labyrinth-WP] — Labyrinth: The Computer Game overview. <https://en.wikipedia.org/wiki/Labyrinth:TheComputer_Game>
[SCUMM-ScummVM] — ScummVM Wiki, SCUMM. <https://wiki.scummvm.org/index.php/SCUMM>
[LucasArts-ScummVM] — ScummVM Wiki, LucasArts. <https://wiki.scummvm.org/index.php/LucasArts>
[SCUMM-WP] — SCUMM overview. <https://en.wikipedia.org/wiki/SCUMM>
[AaronGiles-LucasWarStories] — Aaron Giles, LucasArts programming war stories. <https://aarongiles.com/programming/war-lec/>
[Humongous-ScummVM] — ScummVM Wiki, Humongous Entertainment. <https://wiki.scummvm.org/index.php/Humongous_Entertainment>
[Humongous-WP] — Humongous Entertainment overview. <https://en.wikipedia.org/wiki/Humongous_Entertainment>
[Lua-GrimFandango] — Grim Fandango Network, Lua in Grim Fandango. <https://grimfandango.network/features/articles/lua-in-grim-fandango>
[GrimFandango-ScummVM] — ScummVM Wiki, Grim Fandango. <https://wiki.scummvm.org/index.php/Grim_Fandango>
[ResidualVM-GitHub] — ResidualVM repository. <https://github.com/residualvm/residualvm>
[ScummVM-ResidualMerger] — ScummVM, “A merger.” <https://www.scummvm.org/news/20201009/>
[DREAMM-Docs] — DREAMM documentation. <https://dreamm.aarongiles.com/docs/v30/>

ScummVM and preservation sources

[ScummVM-Home] — ScummVM official site. <https://www.scummvm.org/>
[ScummVM-Compatibility] — ScummVM compatibility list. <https://www.scummvm.org/compatibility/>
[ScummVM-Engines] — ScummVM Wiki, Engines. <https://wiki.scummvm.org/index.php/Engines>
[ScummVM-GitHub] — ScummVM source repository. <https://github.com/scummvm/scummvm>
[ScummVM-AGS-Testing] — ScummVM, “Thousands of games needing testing.” <https://www.scummvm.org/news/20210404/>
[ScummVM-DirectorRoundup] — ScummVM, Director update. <https://www.scummvm.org/news/20231214/>
[ScummVM-DirectorWiki] — ScummVM Wiki, Director. <https://wiki.scummvm.org/index.php/Director>

Macintosh / first-person / CD-ROM adventure sources

[HyperCard-WP] — HyperCard overview. <https://en.wikipedia.org/wiki/HyperCard>
[TheManhole-WP] — The Manhole overview. <https://en.wikipedia.org/wiki/The_Manhole>
[Myst-Cyan] — Cyan, Myst official page. <https://cyan.com/games/myst/>
[Myst-WP] — Myst development overview. <https://en.wikipedia.org/wiki/Myst>
[Mohawk-ScummVM] — ScummVM Wiki, Mohawk. <https://wiki.scummvm.org/index.php/Mohawk>
[Riven-ScummVM] — ScummVM Wiki, Riven. <https://wiki.scummvm.org/index.php/Riven:TheSequeltoMyst>
[Groovie-ScummVM] — ScummVM Wiki, Groovie. <https://wiki.scummvm.org/index.php/Groovie>
[7thGuest-ScummVM] — ScummVM Wiki, The 7th Guest. <https://wiki.scummvm.org/index.php/The7thGuest>
[7thGuest-WP] — The 7th Guest development overview. <https://en.wikipedia.org/wiki/The7thGuest>
[MADE-ScummVM] — ScummVM engines list / MADE references. <https://wiki.scummvm.org/index.php/Engines>

European and parallel commercial adventure engines

[AGOS-ScummVM] — ScummVM Wiki, AGOS. <https://wiki.scummvm.org/index.php/AGOS>
[Simon-ScummVM] — ScummVM Wiki, Simon the Sorcerer. <https://wiki.scummvm.org/index.php/SimontheSorcerer>
[Gob-ScummVM] — ScummVM Wiki, Gob. <https://wiki.scummvm.org/index.php/Gob>
[Cine-ScummVM] — ScummVM Wiki engines list / Cine. <https://wiki.scummvm.org/index.php/Engines>
[Cruise-ScummVM] — ScummVM Wiki engines list / Cruise. <https://wiki.scummvm.org/index.php/Engines>
[Kyra-ScummVM] — ScummVM Wiki engines list / Kyra. <https://wiki.scummvm.org/index.php/Engines>
[Revolution-BASS] — Revolution Software, Beneath a Steel Sky / Virtual Theatre note. <https://revolution.co.uk/games_catalog/beneath-a-steel-sky/>
[VirtualTheatre-WP] — Virtual Theatre overview. <https://en.wikipedia.org/wiki/Virtual_Theatre>
[Tinsel-ScummVM] — ScummVM engines list / Tinsel. <https://wiki.scummvm.org/index.php/Engines>
[Neverhood-WP] — The Neverhood overview. <https://en.wikipedia.org/wiki/The_Neverhood>
[Toonstruck-WP] — Toonstruck overview. <https://en.wikipedia.org/wiki/Toonstruck>

Indie authoring engines and tools

[AGS-GitHub] — Adventure Game Studio official GitHub organization/repository. <https://github.com/adventuregamestudio/ags>
[AGS-ManualCopyright] — AGS manual copyright / source availability. <https://adventuregamestudio.github.io/ags-manual/Copyright.html>
[AGS-WP] — Adventure Game Studio overview. <https://en.wikipedia.org/wiki/AdventureGameStudio>
[Wintermute-Official] — Wintermute Engine official site. <https://dead-code.org/>
[Wintermute-GitHub] — Wintermute Engine official repository import. <https://github.com/retrodump/Wintermute-Engine>
[Visionaire-Official] — Visionaire Studio official site. <https://www.visionaire-studio.net/?lang=en>
[Visionaire-Wiki] — Visionaire Studio official wiki. <https://wiki.visionaire-tracker.net/wiki/Main_Page>
[SLUDGE-Official] — OpenSLUDGE official site. <https://opensludge.github.io/>
[SLUDGE-GitHub] — OpenSLUDGE repository. <https://github.com/opensludge/opensludge>
[SLUDGE-ScummVM] — ScummVM Wiki, SLUDGE. <https://wiki.scummvm.org/index.php/SLUDGE>

Modern general-purpose engines, plugins, and narrative tooling

[AdventureCreator] — Adventure Creator official site. <https://adventurecreator.org/home>
[AdventureCreator-Manual] — Adventure Creator manual. <https://adventurecreator.org/files/Manual.pdf>
[PowerQuest] — PowerQuest by Powerhoof. <https://powerhoof.itch.io/powerquest>
[Escoria-GitHub] — Escoria GitHub organization. <https://github.com/godot-escoria>
[Escoria-Docs] — Escoria documentation. <https://docs.escoria-framework.org/en/devel/general/whatisescoria.html>
[Godot-EscoriaBlog] — Godot, “Our point’n’click framework is finally out!” <https://godotengine.org/article/our-point-click-framework-finally-out/>
[Popochiu-GitHub] — Popochiu Godot plugin. <https://github.com/carenalgas/popochiu>
[Ink-GitHub] — ink scripting language. <https://github.com/inkle/ink>
[Ink-Official] — ink official page. <https://www.inklestudios.com/ink/>
[Ink-Unity] — ink Unity integration. <https://github.com/inkle/ink-unity-integration>
[YarnSpinner] — Yarn Spinner. <https://github.com/YarnSpinnerTool/YarnSpinner>
[Unity] — Unity official site. <https://unity.com/>
[Godot] — Godot official site. <https://godotengine.org/>
[Unreal] — Unreal Engine official site. <https://www.unrealengine.com/>

Telltale, Ron Gilbert modern custom engines, and adventure revival sources

[TelltaleGames-WP] — Telltale Games overview. <https://en.wikipedia.org/wiki/Telltale_Games>
[TelltaleTool-PCGW] — PCGamingWiki, Telltale Tool. <https://www.pcgamingwiki.com/wiki/Engine:Telltale_Tool>
[SamMax-WP] — Sam & Max Save the World overview. <https://en.wikipedia.org/wiki/Sam%26MaxSavethe_World>
[Skunkape-AMA] — Skunkape Games AMA noting Telltale Tool/source access. <https://www.reddit.com/r/NintendoSwitch/comments/k6506l/weareskunkapegamesdevelopersofsammaxsave/>
[Thimbleweed-Engine] — Thimbleweed Park development blog, Engine. <https://blog.thimbleweedpark.com/engine.html>
[Thimbleweed-WP] — Thimbleweed Park overview and technical notes. <https://en.wikipedia.org/wiki/Thimbleweed_Park>
[Delores-Source] — Ron Gilbert, Delores source code release note. <https://grumpygamer.com/delores_dev/>
[ReturnMonkey-WP] — Return to Monkey Island technical design notes. <https://en.wikipedia.org/wiki/ReturntoMonkey_Island>
[BrokenAge-WP] — Broken Age overview. <https://en.wikipedia.org/wiki/Broken_Age>

Community catalogues and cross-checking references

These sources are useful for discovery, cataloguing, and secondary checking. They should not override official repositories or developer documentation where available.

[MobyGames] — MobyGames database. <https://www.mobygames.com/>
[PCGamingWiki] — PCGamingWiki. <https://www.pcgamingwiki.com/>
[AdventureGamers] — Adventure Gamers. <https://adventuregamers.com/>
[TheDigitalAntiquarian] — Jimmy Maher, The Digital Antiquarian. <https://www.filfre.net/>
[HardcoreGaming101] — Hardcore Gaming 101 adventure coverage. <https://www.hardcoregaming101.net/>
[InternationalHouseOfMojo] — LucasArts/Lucasfilm adventure community archive. <https://mixnmojo.com/>

Cookie	Duration	Description
cookielawinfo-checkbox-analytics	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics".
cookielawinfo-checkbox-functional	11 months	The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional".
cookielawinfo-checkbox-necessary	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary".
cookielawinfo-checkbox-others	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other.
cookielawinfo-checkbox-performance	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance".
viewed_cookie_policy	11 months	The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data.