The invasion has started, as a soldier you must get up and fight. Shoot all the robots invader and saved every civilians who trapped in the middle of the war.
A terrorist has been kidnapped an innocent people, as a member of swat rescue team you must go and save them. Identified the target before shooting, make sure it's not a civilian and when you sure, go and shoot them all.
You play as a trained sniper, you have many various mission such kill someone, rescue hostage and deal with another sniper. You also could change your weapons, customized it with different rifles scopes and mods.