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StarCraft 2: Wings of Liberty is now on sale 50 percent off its usual price through the Blizzard Store, the developer announced via Battle.net.
The game is available for $19.99 until June 11. Released in 2010, Wings of Liberty is the first of three installments. Heart of the Swarm launched in March of this year, while Legacy of the Void is still upcoming.
Wings of Liberty takes place from a Terran perspective and picks up four years after the events of StarCraft: Brood War, released in 1998.
StarCraft 2: Wings of Liberty is available on both Windows PC and Mac.