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The Sonic 2 Beta Wiki Origin | FAQ | Downloads | Cheats | Comparisons | Prototype Zones | Music | Concept Art Sketches | Magazine Previews | Video Previews | Timeline | Lost Sprites and Tiles | Savestates | False Alarms | Summary | Sonic 2 Algorithms & Specs Patents

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Two levels of prototype Sonic 2 were shown in this episode of Nick Arcade.

• Emerald Hill Zone - 1-player mode, 25-ring challenge, with different level layout.
• Chemical Plant Zone - Automated demo featuring different level layout and background.