Engage in fast-paced, arena-based fighting action with Sonic Battle for the GameBoy Advance. Choose from a roster of iconic Sonic characters, including Sonic, Tails, Knuckles, Shadow, and new character Emerl, a mysterious robot with the ability to copy fighting techniques. Customize Emerl's skills by collecting and equipping data cards from defeated opponents. Battle across various 3D arenas, utilizing unique character abilities and powerful special moves in this engaging and strategic portable fighter that blends classic Sonic charm with competitive combat.