Sonics 1 and 2 were not among the Megadrive games re-released for MegaCD in collections or enhanced versions. Though Sonic 2 was pitched as cross-platform, "Sonic CD" became its own unique entity. When hobbyists speculated that the resources, including 2p Tails, were too much for the MegaCD to handle, I took on the challenge of learning about the hardware and breaking down Sonics 1 and 2 for this purpose. This MegaCD Proof-of-Concept demonstrates the first zone of each, including "Knuckles in [...]" enhancements, Tails with player-controlled flight in both games, and a custom level with CD audio, currently the only existing custom level whose data meets Sonic 2's split-screen requirements.

Tails flies around in Sonic 1's GHZ. What's he doing here? Not "Knuckles in Sonic 2", but "Sonic 2 and Knuckles" Short but sweet! A working custom 2-player level

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Original Sonic the Hedgehog properties ©1991-2009 SEGA. Modifications and new material ©2006 Simon Thomley/"Stealth", for non-profit use.
Contact: MStealthA <at> aol <dot> com