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Proto:Sonic Chaos (Game Gear)/Sonic & Tails Demonstration Sample

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This is a sub-page of Proto:Sonic Chaos (Game Gear).

To do:
Access the other levels and compare them.

The Sonic & Tails Demonstration Sample is a sample version of Sonic Chaos likely used to promote the Game Gear.


  • Only Turquoise Hill and Gigapolis are playable normally.
  • The demo is internally referred to as Version 0.99, while the final is Version 1.01. It's also dated a week later than the final.
  • Once the game is completed, or a demo finishes, a black screen with "COMMING SOON" will display before the game resets.