The Red Star Cheats
Compete any of the following arena levels with an A rank to unlock:
EX Difficulty - Arena level 1
Guns never overheat - Arena level 2
Have All Guns and Gun Upgrades - Arena level 4
Health Recharges Automatically - Arena level 6
Protocol Recharges Automatically - Arena level 5
Shield Never Overheats Arena level 3
White Texture Mode - Arena level 8
Wireframe Mode - Arena level 7