Cheats:
!stop - Causes all enemies will be freezed, allowing you can kill them easily
!slomo - Turns scenery into slow motion (all enemies will be slowed down except you and your friends)
!incap - All enemies will be incapiticated instead being killed.
!kill all - All enemies will be down instantly, causing enemy commander to surrender with full force
!weapons - Great weapons will appears in your hands & their allies

In-game message will appear as you doing within!