Starcraft is a science fiction computer game franchise.
Starcraft is set a few hundred years into the future. A number of Earth prison ships crashlanded in the Koprulu Sector, starting a separate Human civilization called the Terrans. Initially ruled by the cruel Confederacy, the Terrans have gone through much political upheaval and are currently under the Terran Dominion. An insectoid species of aliens, known as the Zerg, are infesting and destroying Terran colonies. The Protoss are an advanced species of aliens who are bent on destroying the Zerg, even if it means wiping out the Terran colonies in the process.
Starcraft is about an interstellar war between the three races, and various factions of each race.