Cheats for Tekken Advance (GBA)
Alternate costumes:
Press Start at the character select screen.
All characters:
At the main menu hold A + B and press L, R, R, L, L, Up, Up, R.
Fight as Heihachi:
Complete the game with all nine characters. Heihachi will appear next to Hworang and Paul at the character select screen.
Team battle modes:
Complete arcade mode as Heihachi to unlock the and Versus Team Battle options.