We're celebrating the ten-year anniversary of StarCraft II with War Chest team games, free announcers, new achievements, short stories, retrospectives, and one of the game's biggest patches ever.
StarCraft II 10th Anniversary Game Updates — StarCraft II — Blizzard News
StarCraft 2 Celebrates 10th Anniversary With Biggest Update to Date
StarCraft II 10th Anniversary Game Updates — StarCraft II — Blizzard News
StarCraft 2 Celebrates 10th Anniversary With Biggest Update to Date
Starcraft II turns 10 this year, and Blizzard is celebrating with an anniversary update for the game - The Verge
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StarCraft II — Blizzard News