Locate all 13 weapon pickups in the “Piercing the Shroud” mission on Hard difficulty.
Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.
Complete all mission objectives in the “All In” mission.
Destroy all Zerg structures in "The Devil’s Playground” mission on Normal difficulty.
Complete the Wings of Liberty campaign.