The Only Allies...Are Enemies. It is a time of crisis. Three of the most powerful forces in the universe head on a collision course for galactic domination. The only choice is war. Three unique alien species. Whether you command the nomadic Terran, mysterious Protoss, or voracious Zerg, you must devise totally unique strategies to master the specialized units, abilities, and technologies of each. Multiple theaters of battle. Engage in a deadly mix of space combat, planetary assault, and covert base infiltration. Command Ghost Espionage Agents, Wraith Stealth Fighters, Protoss High Templars, and Zerg Defilers as you seek to conquer the galaxy. Revolutionary special effects. Real-time light sourcing, true line of sight, and an advanced translucency engine combine for incredible visual effects and unparalleled tactical realism. Unequaled campaign editor. Construct individual missions or entire campaigns with unrivaled ease. Set victory conditions, customize speech and sound, and create unique heroes while building enormous single and multiplayer worlds complete with your own story lines.