Demo Mode
To watch the computer fight against itself, begin a game in Versus
mode. Pause the game and press A + B + X + Y. A tone will sound.
Unpause the game and the computer will fight itself.
Extra Characters
When you hear Goku talking, hold all buttons and rotate the directional
pad in a full circle. Keep doing this until you hear a sound and
Goku's voice again.
Secret Character(Future Trunks)
At the into screen where you see Vegeta and Son Goku's face enter
Up, X, Down, B, L, Y, R, A.
If done correctly sound.
Super Saiyan Levels:
Yellow=Up, L, Down, Y
Blue=Left, L, R, Right
Super Blue=Up, L, Up, Y, Up, X, Up, R
Super Red=Left, R, Up, X, Right, Y, Down, L