Se vi interessa.. ecco i trucchi.
Cheats
at the mission start menu hold down theleft trigger and type these cheats in.
(Invincibility) X,y,left,left,y,x
(Unlimited ammo) left,y,white,right,black,x
(unlimited concentration) black,white,y,right,white,y
upgrades unlocked
At the mothership menu hold the left trigger and press x, y, left, left, y, x and this will unlock all the upgrades for the weapons you have!