Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.
Use the Artifact no more than once in the “All In” mission on Hard difficulty.
Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.
Destroy all Protoss structures in the “Welcome to the Jungle” mission on Normal difficulty.
Destroy all Zerg structures in "The Devil’s Playground” mission on Normal difficulty.