Win 5 games of StarCraft II or Arcade during the 2013 Back-to-School promotion.
Win 500 1v1 Unranked or Ranked games as Protoss.
Kill a Stank before it kills anything on Hard difficulty.
Play a game of StarCraft II during the 15th anniversary celebration.
Destroy 40 units with a single unit in an Unranked or Ranked game.