At the Main Menu press L1, L1, R1, R1, SQUARE, SQUARE, TRIANGLE,
TRIANGLE, CIRCLE, CIRCLE. There won't be a confirmation sound, but when you
go to the options menu while playing the cheats will appear at the bottom.
Beat the whole game in any difficulty to get Extreme Mode.
If one of your teammates falls to the ground, throw a smoke grenade near
him. Then, get your health packet out and heal him.
armored vehicle or tanks:
Use Jones to run up to the vehicle or tank. Lay an anti-tank mine next to
it, in turn sacrificing jones Temporarily to take out the vehicle or tank.
Jones to run close to the tank, then plant a C4. Throw a smoke grenade on
the tank, run for the nearest cover, then blow it up.
one of your team members run by the tank to distract it. Then, run up to the
tank, plant C4, and blow it up (risking your life). You can heal him with
the other team member.
are weak in the following locations: their rear; in front, in between the
armor over the tracks; and where the gun barrel meets the turret.