Destroy all Protoss structures in the “Welcome to the Jungle” mission on Normal difficulty.
Use Blink to save a Stalker in a Melee game.
Beat the Terra-tron on the Lost Viking arcade machine.
Complete the “Smash and Grab” mission on Normal difficulty without losing a unit to a Protoss Stone Guardian.
Complete the “Shatter the Sky” mission without losing a unit to a Platform explosion on Normal difficulty.