Boss Rush Mode
Unlock Boss Rush mode: Right, Right, Circle , R1, Right, Right, Circle, R1
Begin level with special Power of Love sword
Square, Square, Square, X, Circle, X, Triangle: Start level with Power of Love sword from 7-2
2 players can select the same character
Down R1 Up L1 Triangle Circle: Enable two players to select the same character
Enables 'Blood Mode'
press the buttons on the Start Menu
X, CIRCLE, X, SQUARE, X, CIRCLE, CIRCLE
Convert all money to animals (a Sonic 3 reference?)
Press the Buttons on the Start Menu
UP, UP, DOWN, DOWN, UP, UP, UP, UP
Unlock Zombie Mode
Press the buttons on the Start Menu
DOWN, UP, RIGHT, DOWN, UP, RIGHT, DOWN, UP, RIGHT, RIGHT, RIGHT
Perform the following actions to unlock additional characters.
Nega-Scott: Beat the game with all four characters to unlock Nega-Scott
Unlock Mr. Chou: Sometimes after a stage, you'll see Mr Chou on a random level, go to that stage and you'll fight him. Beat him to unlock him.