MDGenesis · 1994 · 2D platformer
Sonic 3 & Knuckles
Sonic 3 & Knuckles (Genesis, 1994) has an open-source reimplementation, Eukaryot/sonic3air, and 4 other public projects, including a matching decompilation and a static recompilation. An agent environment already wraps it.
Data checked 2026-10-13 · unbaked registry
Projects
Source and data to build Sonic 3 A.I.R. (Angel Island Revisited) and the Oxygen Engine
complete fan remaster on Oxygen Engine (script-translated game logic)
Sonic and Knuckles Disassembly
complete disassembly (also s1disasm, s2disasm)
Cleaned up the Sonic 3 & Knuckles Disassembly (S.C.E.)
Cleaned-up S3K disassembly used as a hack engine (very active; Extended & 'Sonic 1 in S3K' variants)
Sonic 3 & Knuckles recompiled for the Sega Genesis using segagenesisrecomp · Part of the R.A.I.D. community
recompiled using segagenesisrecomp
this is currently under construction, if you see a log, that's a new update
Missing a project, or something wrong here? Suggest a project · Report a fix
What you need
You need your own copy of the game: these projects ship code only.
Agent environments
- openai/retro (Genesis Sonic envs)
Same toolchain
More on Genesis
Found via sonicretro/s1disasm, sonicretro/s2disasm, TheBlad768/Sonic-Clean-Engine-S.C.E.-Extended-, TheBlad768/Sonic-1-in-Sonic-3-S.C.E.-, search?type=repositories&q=decomp+in%3Aname+crea
GitHub data checked 2026-10-13. Notes are summaries from the research pass; the project pages are the authority.