Powered by the award-winning Unreal engine, TacticalOps: Assault on Terror throws you into the life-and-death world of counterterrorism. Join the Special Forces or the Terrorists in a subversive battle of good versus evil. The side you choose is up to you. In the end, only one can triumph.
One of the very firsts Tactical Ops mods, that's the 1.6 version, If it doesn't work try to install it with an Umod browser tool