Complete the “Breakout” mission on Hard difficulty in less than 25 minutes.
Prevent the Protoss from capping a Tal’darim Altar in the “Welcome to the Jungle” mission on Hard difficulty.
Use a Leviathan to kill 25 enemy units or structures in a single mission.
Destroy 4 Zerg Hatcheries in the “Zero Hour” mission on Hard difficulty.
Complete all 29 Wings of Liberty campaign missions on Hard difficulty.