Destroy 20 units with Sniper Rounds in an Unranked or Ranked game.
Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.
Score the rank of Gold in all the challenge missions.
Destroy 40 units with a single unit in an Unranked or Ranked game.
Complete the Wings of Liberty campaign under 8 hours of total played mission time on Normal difficulty.