StarCraft is a military sci-fi game with isometric perspective. It is known for helping popularize the use of distinct playable races with distinct capabilities and unit types. Gameplay includes unit and resource management, unit construction and combat, several multiplayer modes, and a single player campaign. Players are tasked to assist two peaceful humanoid races, Terran and Protoss, defend and fight against an aggressive insectoid race called the Zerg. Merchandise for StarCraft includes action figures, statues, model kits, and novels.