Win a 1 vs 2 Multiplayer Custom Game with no Allies against 2 Elite A.I. opponents.
Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.
Complete all the challenge missions with a Bronze rating or higher.
Locate all 13 weapon pickups in the “Piercing the Shroud” mission on Hard difficulty.
Destroy all the Spore Cannons in “The Gates of Hell” mission on Normal difficulty.