Sonic CD
Sonic CD, also known as Sonic the Hedgehog CD, is a 1993 platform game developed and published by Sega for the Sega CD. As Sonic the Hedgehog, the player attempts to protect an extraterrestrial body, Little Planet, from Doctor Robotnik. Like other Sonic games, Sonic runs through themed levels while collecting rings and defeating robots. Sonic CD introduces time travel as a game mechanic. By traveling through time, players can access different versions of stages, featuring alternative layouts, music, and graphics. Sonic CD introduced the characters Amy Rose and Metal Sonic.
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Open-source clones (6)
Compare all 6 clonesActive
Original game image
Original game imageA complete decompilation of Retro Engine v3 that runs Sonic CD using assets from an official release.
Stars708
Updated2 months ago
LicenseUnknown
Release2020
ActiveOriginal game image
Original game imageAn open-source decompilation of the Retro Engine v3 used to build Sonic CD, needing official assets.
Platforms:WindowsLinuxOSX
Stars701
Updated2 months ago
LicenseUnknown
Release2020
ActiveOriginal game image
Original game imageAn incomplete disassembly of Sega CD's Sonic CD that needs the original game files supplied to build a working ISO.
Platforms:Sega CD
Stars18
Updated2 months ago
LicenseUnknown
Release2025
ActiveOriginal game image
Original game imageA Sega Dreamcast port of Sonic CD built on the RSDKv3 decompilation, using the mobile version's data.
Stars14
Updated1 month ago
LicenseUnknown
Release2026