Unlockables
Captain Rush background = Beat Complete Mission.
Crisis Missions = Beat Arcade mode once.
Elizabeth Conway background = Beat the Crisis mission final battle.
Freeplay (unlimited continues) = Beat Arcade mode once.
Infinite Ammo = Clear Complete Missions twice.
Music Player = Beat the final mission of Crisis Missions.
Shield = Clear Complete Missions once.
Unlimited Handgun Ammo = Beat Arcade mode once
Unlimited Special Weapons Ammo = Beat Arcade mode twice
VSSE agents background = Beat Arcade mode