Battle.net

Attack for 20 seconds with no counterattacks in a League game.

Win a 1 vs 2 Multiplayer Custom Game with no Allies against 2 Hard A.I. opponents.

Destroy 4 Zerg Hatcheries in the “Zero Hour” mission on Hard difficulty.

Score 500,000 points on the Lost Viking arcade machine.

Complete the “Maw of the Void” mission without losing a unit inside the Rip-Field on Hard difficulty.