C64Commodore 64/8-bit · 1987 · point-and-click adventure

Maniac Mansion

Maniac Mansion (Commodore 64/8-bit, 1987) has a matching decompilation, pditincho/mm-explained, and 2 other public projects, including a decompilation and an open-source reimplementation.

Data checked 2026-10-12 · unbaked registry

Projects

mm-explained

Matching decomp · Decomp49 starspushed 2025-12-11no license

Maniac Mansion C64 explained

Maniac Mansion C64 explained; README reports ~100%; no GitHub releases; repo created 2025-08-24

Maniac.Mansion.Disassembly

Disassembly43 starspushed 2020-04-23no license

Commented disassembly of game scripts, and spreadsheets which detail room objects, variables and their usage

ScummVM - SCUMM enginecovers 62 games

ReimplementationC++ (ScummVM framework); engines/scumm2,842 starspushed 2026-10-12GPL-3.0 licenserelease v2026.4.0

ScummVM main repository

Supported in ScummVM (see compatibility list). Titles: Maniac Mansion, Zak McKracken, Indy3, Indy4, Loom, MI1, MI2, DOTT, Sam & Max ()

What you need

You need your own copy of the game: these projects ship code only.

More on Commodore 64/8-bit

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C64HabitatSource releaseSource port19855172026-10-09 C64ParadroidSource releaseReimplementation+11985412026-10-06 C64Alien 3Source release1992632019-05-19 C64EncounterReimplementation1983522026-09-07 C64DeltaReimplementation1987512025-06-01 C64Nemesis the WarlockSource release1987412019-05-19 C64GridrunnerDisassembly1982752023-05-19 C64SláineSource release1987362019-05-19

Found via SubmitGame/awesome-decomp-games, search?type=repositories&q=%22disassembly+of%22+, scummvm.org/compatibility/, wiki.scummvm.org/index.php/Engines, osgameclones.com/

GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.