Double-Physics...
	Hollywood Mode...
	Tough Guys...
	Various Trophies...

Beat Campaign on Medium difficulty. This mod doubles the force of explosions.

Beat Campaign on Easy difficulty. This mod gives enemies big heads.

Beat Campaign on Hard difficulty. This mod enhances the health of enemies.

Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
Color Me Impressed (Silver)	Complete a mission on Normal without dying, failing, restarting, or continuing campaign.
Droppin Bombs (Bronze)	Call in the airstrike to defeat the Command Center.
Hummer (Silver)	Kill 15 enemies on the HMV turret.
Kaboom (Bronze)	Destroy the gas station.
Long Range (Bronze)	Kill 20 enemies with a sniper rifle.
One Hundo (Gold)	Unlock all the unlockables.
Poll and Dive (Bronze)	Survive the pool attack.
Private (Bronze)	Complete the game on Easy Difficulty.
Rocketman (Silver)	Kill 2 aliens with one Rocket.
Seen Your Video (Bronze)	Watch an unlocked video.
Sergeant Major (Silver)	Complete the game on Hard Difficulty.
Staff Sergeant (Bronze)	Complete the game on Normal Difficulty.