Default Controls
← → ↑ ↓ = Directions
Z = A, X = B
A = X, S = Y
D = L, C = R
Enter (↵) = Start
Shift = Select
About the Mario in Sonic Battle Gameboy Advance (GBA) Online Game
Hey! Ready to play “Mario in Sonic Battle” online for free in your browser? This GBA game lets you take control of Mario as he battles it out with Sonic and other characters in fast-paced combat. No need to download anything – just click and play. Enjoy the classic gameplay and nostalgia of this crossover game anytime, anywhere. So, what are you waiting for? Jump in and start playing now!