CTO: Counter-Terrorist OPS, Close-Quarters Assault, is a tense, accurate simulation of close quarters combat. Lead four-man teams in assaults on terrorist strongholds. Rescue hostages held at gunpoint. Recreate the deadly climax to the Iranian Embassy Siege of 1980. Fight battles in Britain's corridors of power in a daring rescue at the Houses of Parliament or tackle the nightmare scenario of a terrorist takeover of a subway system.