Successfully complete the game in single player mode under the easy difficulty setting to unlock three bonus costumes for Batuo and Motoko; unlimited grenades and small gun ammunition; and yellow menus.

Successfully complete the game in multi-player mode under the easy difficulty setting to unlock Batuo and Motoko as playable characters; three bonus costumes for Batuo and Motoko; and the Dome level.

Successfully complete the game in multi-player mode under the normal difficulty setting to unlock the Arm Suit and AI Tank as playable characters.

Successfully complete the game in single player mode under the hard difficulty setting to unlock three bonus costumes for Tachikoma.

Successfully complete the game in multi-player mode under the hard difficulty setting to unlock Tachikoma as a playable character.

Successfully complete the game with all the fans to unlock Motoko's fast automatic rocket launcher; unlimited ammunition for the rocket launcher; Batuo's explosive laser gun; and unlimited ammunition for the laser gun.

Successfully complete the game in single player mode without using a continue to unlock unlimited ammunition for the grenade launcher, sniper rifle, rocket launcher, and automatic rocket launcher.