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