A 2D Chao fighting game featuring the Chao of the Xicon Exedra universe. The game is a 1-on-1 fighting game with Arcade Mode, VS Mode, and Team Battle Mode. The characters indeed are Chao that can be seen in the Sonic series, but these Chao specifically are in the Exedra Chao world located in the Xicon Exedra universe - even if many look exactly like the ones from Sonic. This game is free-to-play and is practically a fan game of the Chao from Sonic, but are the OC Chao of XiconExertoroyah.
Expert, the administrator of all Exedra Chao in the Exedra Chao world, makes an announcement stating that Team Infinity is offering power to allow the Chao to face off other creatures in the Xicon Exedra universe. However, only a select amount can receive this. For this to be so, a competition is to be held.