Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.
Kill 50 units with a single Penetrator Round in the “Belly of the Beast” mission on Hard difficulty.
Score 500,000 points on the Lost Viking arcade machine.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
Create 100 Larvae with Queens in an Unranked or Ranked game.