Player Costume Change

    At the Character Select Screen press Square + Triangle for Costume 1 or X + O for Costume 2.

Play As Devil Kazuya

    To play as Devil Kazuya you must beat all the rounds of Galaxian at the beginning of the game.

Play As Heihachi

    To play as Heihachi you must beat the entire game without continuing.

Play As Sub-Boss

    First beat all the normal characters in the game. After beating all the characters you will have to fight your character's sub-boss. After beating that sub-boss you will be able to play as it.

Play Galaga With Two Ships

    During power-up, press and hold Up+L1+Triangle+X on the player two controller.