Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.
Score 500,000 points on the Lost Viking arcade machine.
Use the Artifact no more than once in the “All In” mission on Hard difficulty.
Win a 1 vs 2 Multiplayer Custom Game with no Allies against 2 Elite A.I. opponents.
Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.