- Original Release: Cancelled (In Development 1994)
- Developer: Sega Team
- Publisher: Sega
- Original Platform: Mega Drive
- Version Played: Tested two prototypes


All in all, this is just a very buggy version of Sonic 3 & Knuckles. Sega were planning on releasing the full Sonic 3 & Knuckles game on a single cartridge, without needing the lock-on. For some reason it never happened, but a couple of prototypes exist.

Where to get
- ROM Status: Available
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