StarCraft improved upon its predecessor Warcraft II, which showcased two incredibly related playable factions, by introducing asymmetry among the units and systems accessible to its 3 races (Protoss, Terran, and Zerg). This asymmetry was just like that pioneered inside the lesser-recognized 1996 SSI launch War Wind. The device varieties available to Each individual race outline its racial identity. The Protoss can industry highly effective and high-priced warriors and machinery, though the Zerg rely on sheer numbers and velocity to overwhelm their opponents.

The protoss OST was intended to be "deep, powerful, and cerebral."[28] It had been extra orchestral as opposed to terrans, and Stafford centered on instrumentation that will retain them feeling really distinctive from Warcraft, taking inspiration from Jerry Goldsmith's score into the movie Alien. Wary of 무에타이 parallel progress, he purposefully avoided the film Starship Troopers.