أسرار ready2rumble:2

[the super star]

Champion costumes:
Beat the game in championship mode to unlock the champion costumes.

Fat boxer:
Press Right, Right, Up, Down, Right, R1, R1, R2 at the character selection screen.

Huge gloves:
Press Left, Right, Up, Down, R1, R2 at the character selection screen.

Skinny boxer:
Press Right, Right, Up, Down, Right, R1, R2 at the character selection screen.

Zombie boxer:
Press Left, Up, Right, Down, R1, R1, R2 at the character selection screen.