Complete 20 missions in the Wings of Liberty campaign on Hard difficulty.
Have 9 Protoss units warping in simultaneously in an Unranked or Ranked game.
Warp in 100 units with Warp Gates in an Unranked or Ranked game.
Beat the Terra-tron on the Lost Viking arcade machine.
Kill 50 supply worth of units within 15 seconds in a Melee game.