Sonic Battle - Hyper Sonic is a ROM hack of Sonic Battle for Game Boy Advance. This community-created modification centers on making Hyper Sonic a central character, likely boosting his abilities. The base game was Sonic Battle, a 3D fighter from Sega and Sonic Team.  This hack changes the original game's balance, emphasizing Hyper Sonic's capabilities.

Sonic Battle - Hyper Sonic

Sonic Advance X