Havok physics engine provides life-like physical reactions on both characters and environments
New and improved weapons, such as grenade launchers, sticky mines, smoke grenades, and flash bangs
New character actions enable players to force enemies to take cover with blind fire or protect health with the new human shield features
Underwater physics allows players to experience 360 degrees of water navigation to explore shipwrecks and target enemies with new underwater weapons like the bolt pistol and spear gun
Improved buddy mechanics