Erector Time
Build a Factory during the first 270 seconds of a Melee game.
Carnage Hall
Destroy 4 Command Centers, Hatcheries, or Nexuses in a single League game.
Unbreakable!
Destroy 40 units with a single unit in a single League game.
Neighborly Help
Heal 300 life on allied units with Medivacs in a single League game.