Destroy 20 units with Sniper Rounds in an Unranked or Ranked game.
Score the rank of Gold in all the challenge missions.
Do a 6 combo gem break and receive "For the Swarm" notification in a game of ’StarJeweled’.
Hold out until 2.2 billion Zerg arrive on Shakuras in the “Last Stand” mission on Hard difficulty.
Complete 150 missions on Brutal difficulty in Co-op Missions.