Tom Clancy's Rainbow Six: Siege image

Counter Terrorist Units: Counter terrorist operatives are trained to handle extreme situations, such as hostage rescue, with surgical precision. As “short range” specialists, their training is concentrated on indoor environments. Operating in tight formations, they are experts of close quarter combat, demolition, and coordinated assaults. Featuring, Procedural Destruction, roughly 18 minute rounds with one shot one kill, no respawn tactical gameplay in little sandbox maps.