Press space to change costume
M1: gives him spiked shoulder pads and a helmet M2: adds knee pads and a new aim thingy for his normal paintball gun M3: upgrades both his paintball guns (yes he has a bazooka now) and gives him a paintball grenade and a belt to hold them M4: one final upgrade to his normal paintball gun, gives himself a shield, gives him elbow pads, basically just turns him into master chief
