Complete 5 missions in the Wings of Liberty campaign on Brutal difficulty.
Kill 50 units with a single Penetrator Round in the “Belly of the Beast” mission on Hard difficulty.
While playing as Zerg, warp in a Zealot in a Melee game.
Score 500,000 points on the Lost Viking arcade machine.
Destroy all Protoss structures in the “Welcome to the Jungle” mission on Normal difficulty.