Complete all mission objectives in the “Piercing the Shroud” mission.
Kill the Brutalisk in the “Piercing the Shroud” mission without losing a unit to the Brutalisk on Normal difficulty.
Complete the “Smash and Grab” mission on Normal difficulty without losing a unit to a Protoss Stone Guardian.
Collect all 5 Xel’Naga Artifacts.
Complete the Wings of Liberty campaign.