StarCraft

Ground-breaking real-time strategy game that pioneered the concept of dramatically different races in one game. Players choose to control one of three races -- one human and two alien -- in single-player or multiplayer. The human Terrans have the latest in combat technology, including tanks and nukes. The Zerg are vicious slimy organic entities with teeth and carapaces, controlled by a hive mind. The Protoss are ruthless interdimensional robotic entities with powerful shields and energy weapons. Their Carriers and Reavers can unleash swarms of attack drones to complement their smaller numbers of juiced up units. Combine that with a smattering of maps and memorably sound bytes, StarCraft remains the high point of '90s RTS gaming.