200
After you kill 200 People in survival mode, you'll win, and also have the highest score.
The easiest way is to hide behind cover and use L1 to lean over to shoot behind pillars ETC.
Verified by: this cheat is unverified
Submitted by:
sten mk II on April 25, 2007
Run Longer
If you try to run, the solider you are controlling tires out quickly.To Avoid this, holster your heavy weaponry when you're not engaging an enemy. Instead, carry a handgun.This way you'll sprint for longer periods of time.
Verified by: this cheat is unverified
Submitted by:
GTAIV on December 25, 2006
Warfighter Mode
Complete the entire game to unlock the Warfighter Mode, the highest difficulty in the game.
Verified by: this cheat is unverified
Submitted by:
GTAIV on December 25, 2006
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