Sonic Arena
Buy
Could be interesting
AzuFight: Taisen Shiyo is a doujin fighting game based on the Azumanga Daioh anime and manga series. Not to be confused with Azumanga The Fighter T-Style, though possibly meant to serve as a sequel or expansion.
A flash-based Sonic fighting fangame based on Super Smash Bros. franchise. It has some characters from Sonic franchise and a campagin mode.
Daris Venture is a half-Saturn/Advance-style fan-made game that will tell you an alternate history of Mobius that ended not in the best way for the Robotnik Empire.
