Recomp / Games / Mega Drive

s1disasm

Sonic Retro's community disassembly of the first Mega Drive Sonic, the long-standing base for Sonic 1 hacks.

Matching decomp Human-led complete playable
Stars449
Commits, 30 days6
Latest releasev26.08Aug 1, 2026
Last pushOct 13, 2026

GitHub figures as of 2026-10-14, refreshed daily.

Facts

Original
Sonic the Hedgehog (1991)
Platform
Mega Drive
Method
Matching decomp
Provenance
Human-led · Started 2013 by a known volunteer team, predating AI coding agents (repository history) what this means
Status
complete
Licence
none
Team
sonicretro
Started
2013-12
First release
2026-05
Runs on
Mega Drive
Needs the original
Yes: you supply your own legally obtained copy

How to get it legally

Bring your own file. Bring your own ROM or game files: read locally in the browser; no copyrighted data is hosted

This project was decompiled by sonicretro. Facts last checked 2026-10-13.

Sources

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