Score the rank of Gold in the “Rush Defense” challenge mission.
Complete all 29 Wings of Liberty campaign missions on Normal difficulty.
Use Blink to save a Stalker in a Melee game.
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.
Create 100 Larvae with Queens in an Unranked or Ranked game.