Sonic the
Hedgehog.
The speed. The sound.
The original cartridge.
Play Sonic in your browser, explore the artwork inside the ROM, and listen to the original music and sound effects.
Pick your next stop.
Sonic, in your browser
The original game with keyboard, touch and controller support, plus three separate cheat switches.
↗02 / LISTENMusic that keeps going
Original-engine recordings. Hear the introduction once, then loop the music where the game does.
↗03 / HEAREvery sound has a story
Browse the recovered sound effects and their original cartridge commands.
↗04 / EXPLOREInside the artwork
Original sprites, tiles, palettes and game imagery, with source records and image zoom.
↗05 / FOLLOWThe preservation journal
Dated changes, tested releases, extraction coverage and remaining work.
↗One cartridge.
Its parts kept together.
The supplied ZIP and SMD dump are retained unchanged. A documented, reversible deinterleave produces the Genesis byte order used for playback and extraction. Each recovered asset keeps its source provenance.
The playable edition uses Genesis emulation. Optional cheats are reversible runtime changes; the archived cartridge stays unchanged. Artwork and audio pages explain their coverage, including material still awaiting verification.