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 campaign 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.
A web based version of Super Smash Bros. Melee with a minimalist aesthetic. Play as three characters, Fox, Marth, or Jigglypuff across a handful of different stages.
Sonic Scramble is a 2D Platform Fighter featuring the cast of the Sonic the Hedgehog series. Using mechanics familiar to other Platform Fighters as well as mechanics inspired by Traditional 2D Fighting Games like a meter, special cancels, and super moves, Sonic Scramble aims to be a Sonic Fighting Game like no other.
A 2D single-player focused fighting game inspired by Flash animations such as Super Mario Bros. Z.