Complete the “Left 2 Die” scenario on Brutal difficulty.
Heal 3000 points of damage in a game of ’StarJeweled’ using the Healing Wave ability.
Kill 15 enemy units with a single Nuke in an Unranked or Ranked game.
Survive 15 Infested Horde Attacks in the “Night 2 Die" mode of the “Left 2 Die” scenario.
Kill a Stank before it kills anything on Hard difficulty.