CPU oppoent in battle mode:
Select a two player battle mode game. Choose a character for player two, then press Select on controller two.
Fight as Ivan Ooze:
Enter two-player fighting mode and press X + Y + Start at the character selection screen. When the match starts, you will be control the Boss, Ivan Ooze.
Mega Tigerzord super move:
Press Back, Down, Forward, X or Y when right next to your opponent. Note: This move will not work on the Shogun Megazord or Ivan Ooze.