Game Mods are unlocked upon completion of the game, one for each difficulty level. Enabling a Game Mod does not deactivate achievements.
Unlockable How to Unlock Double-Physics (Doubles the force of explosions) Beat the Campaign on Medium Hollywood Mode (Enemies have big heads) Beat the Campaign on Easy Tough Guys (Enhances the health of enemies) Beat the Campaign on Hard
Contributed By: pursuit_master.
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