Operation Pegasus is a turn based wargame simulating the campaign to break the siege of Khe Sahn during the Vietnam War in 1968. Each hex is 500 meters across, each turn lasts one day. Units are rifle companies, tank platoons, or artillery batteries. Combat results are determined by a Combat Results Table. Units take losses in "casualty" steps of roughly 4-6 men. Rules are included for air strikes and helicopter operations. Victory conditions depend on the individual scenario. Operation Pegasus was first released as a Pocket Game, and was later released in a Boxed Edition.