Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.
Complete all 29 Wings of Liberty campaign missions on Hard difficulty.
Prevent the Protoss from killing an SCV in the “Welcome to the Jungle” mission on Normal difficulty.
Destroy all Zerg structures in "The Devil’s Playground” mission on Normal difficulty.
Kill 50 units with a single Penetrator Round in the “Belly of the Beast” mission on Hard difficulty.