Tekken Advance Cheats (GameBoy Advance)

At the main menu, press and hold A and B. Then press L, R, R, L, L, UP, UP, R. This will
give you every fighter in the game.

Successfully complete arcade mode with Heihachi to unlock team battle and versus team
battle options.

Successfully complete the game with all nine characters. Heihachi will appear next to
Hworang and Paul at the character selection screen.

At the character selection screen, press Start.