Unlock Everything
On the [Press Start] screen (seen before the main menu) press the following key configuration in order. If the cheat is entered successfully you should hear a gun shot.
Coverpoint (Space), Right (D), Right (D), Left (A), Left (A), Change Weapon (Q).
Note: The commands in parentheses are the default commands for these controls.
Fuck you all if you play in this FUCKIN GAME!!!