Destroy 40 units with a single unit in an Unranked or Ranked game.
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Complete the Zeratul storyline in the Wings of Liberty campaign.
Win 5 1v1 Unranked or Ranked games in a row.