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) Unlock Everything

     Note:  PC  in  brackets are the default controls. If this doesn't
try it with cursor keys for left and right.