Subtitled "The Battles for Zagreb, 1979" Part of SPI's Modern Battles II: Four Contemporary Conflicts series, notable for its use of untried units to simulate the uncertainty of armies that have never seen battle. This game, at the battalion/regimental level with hexes measuring a mile across, simulates combat in northern Yugoslavia in four scenarios.: "Civil War" between the Serbians and Croatians with NATO reinforcement; "Thrust for Zagreb", with the Soviets invading and NATO helping defense; "Relief Column", following up after a Soviet takeover of Zagreb; the three-player "Battle for Zagreb" between NATO, the Soviets and the Yugoslavs.