StarCraft II: Wings of Liberty - PC/Mac [Digital Code] [Online Game Code] Fast-paced, hard-hitting, tightly balanced competitive real-time strategy gameplay that recaptures and improves on the original game Three completely distinct races: Protoss, Terran, and Zerg Units and gameplay mechanics distinguish each race 3D-graphics engine with support for visual effects and massive unit and army sizes Full multiplayer support, with competitive features and matchmaking utilities available through Battle.net