At the start screen enter L1,L1,L1,R1,R1,R1,R1 effect 6 vs 6.
While playing a suport troop during a cuban operation, pause the game and press R1,R1,R1,R1,X,Circle,L1+L2 effect All Missions.
Turn On Voice Chat In Online
the code must be enter by the host at the press start button.
R1,R1,L1,L1,R1,L1 effect Turns on voice chat in online
At the start screen enter R1,L1,L1,R1,R1,R1 effect unlock all maps in quick mission.