Complete the Wings of Liberty campaign.
Heal 300 life on allied units with Medivacs in an Unranked or Ranked game.
Cancel construction of a structure that is being destroyed by an opponent in a Melee game.
Destroy 4 Command Centers, Hatcheries, or Nexuses in an Unranked or Ranked game.
Play enough qualifying games to get placed in a Matchmaking Ranked League.