Zerg - assimilated beings that are a super-species.The fight for domination is on with the three species all vying for ultimate control. It has been four years since StarCraft: Brood War, and once again the universe is under attack. SC2 is free-to-play for everyone after Blizzard made the base game available in this format in November 2017. Released in 2010, it served as both the sequel and the spiritual successor to the original StarCraft and the WarCraft games as well, and the base game and its expansion packs alike received critical acclaim. StarCraft 2 is a sci-fi themed real-time strategy game (RTS) made by Blizzard, widely considered to be one of the best games ever made in its genre.