StarCraft enhanced on its predecessor Warcraft II, which featured two quite identical playable factions, by introducing asymmetry amongst the units and systems accessible to its three races (Protoss, Terran, and Zerg). This asymmetry was just like that pioneered in the lesser-regarded 1996 SSI release War Wind. The unit sorts available to Every race outline its racial identification. The Protoss can discipline potent and high priced warriors and equipment, when the Zerg rely on sheer figures and pace to overwhelm their opponents.
The story concentrates on the routines of three species in a very Portion of the Milky Way known as the Koprulu Sector. Millennia in advance of any in the events with the game titles, a species often known as the Xel'Naga genetically engineer the Protoss and afterwards the Zerg in makes an attempt to build pure beings.[11][twelve] These experiments backfire along with the Xel'Naga are largely destroyed because of the Zerg.[twelve] Hundreds of years prior to the start of StarCraft in 2499, the hardline Global authorities 격투기 of Earth, the United Earth Directorate (UED), commissions a colonization application as Portion of an answer to overpopulation.