Mutate a Lair during the first 285 seconds of a Melee game.
Using Auto-Turrets, destroy 20 worker units in an Unranked or Ranked game.
Use Blink to save a Stalker in a Melee game.
Build a Factory during the first 270 seconds of a Melee game.
Win a 2v2 Unranked or Ranked game playing all race possibilities.