, released in 2003 for the Game Boy Advance , is a unique arena-style fighting game developed by Sonic Team. Unlike the traditional 2D side-scrolling or 3D platforming core of the series, it features a four-player combat system set on a 3D-ish plane with isometric perspectives. Core Gameplay & Mechanics
: Battles utilize a combination of standard combos and "Shot," "Power," and "Set" special moves. Timing these is crucial, as players can choose to focus their defensive skills against specific types of attacks. Sonic Battle
: Charging this gauge allows players to execute a one-hit knockout (OHKO) move, adding a layer of strategic risk and reward. Story & Narrative , released in 2003 for the Game Boy