MDGenesis · 1992 · 2D platformer
Sonic the Hedgehog 2
Sonic the Hedgehog 2 (Genesis, 1992) has a full disassembly, sonicretro/s2disasm, and 9 other public projects, including a matching decompilation and a decompilation. An agent environment already wraps it.
Data checked 2026-10-12 · unbaked registry
Projects
Sonic 2 Disassembly
Complete split disassembly, bit-perfect; active (2026)
Sonic the Hedgehog 2 recompiled for the Sega Genesis using segagenesisrecomp · Part of the R.A.I.D. community
recompiled using segagenesisrecomp
Sonic 2 Nick Arcade Disassembly
Disassembly of the Sonic 2 Nick Arcade prototype; related forks year0c/s2disasm-toybox, year0c/Project-S2-NA
Bring-your-own-ROM web player (decompgames.com)
andrewnakas/decompgames browser build: the sonicretro/s2disasm disassembly, reassembled to a matching ROM and run on mdcore, an MIT-licensed Mega Drive core (WebAssembly); verification: {"status": "smoke-tested", "date": "2026-10-08", "bro…
A Sonic 2 Beta 8 Disassembly being worked on by me サターン (saturn aka saturn_dc)
A split disassembly for the Sonic 2 Nick Arcade prototype
A complete decompilation of Sonic 1 & Sonic 2 (2013) & Retro Engine (v4)
A complete decompilation of Sonic 1 & Sonic 2 (2013) & Retro Engine (v4); [listed in Sebastrion/awesome-unofficial-pc-ports under 'Project(s)']
listed in awesome-unofficial-pc-ports [listed in Sebastrion/awesome-unofficial-pc-ports as recommended ⭐]
PortMaster aarch64 (HeldGames, Oct 2026)
PCGW: origin Decompilation; status; lang C++; Made without AI
What you need
You need your own copy of the game: these projects ship code only.
Agent environments
- stable-retro (Farama-Foundation/Stable-Retro) SonicTheHedgehog2-Genesis; OpenAI Retro Contest
Same toolchain
More on Genesis
Found via info.sonicretro.org/Sonic_Retro_on_GitHub, year0c/s2disasm-toybox, andrewnakas/decompgames/blob/main/src/data/games, andrewnakas.github.io/sonic2-web/, search?type=repositories&q=disassembly+in%3Aname
GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.