Score the rank of Gold in all the challenge missions.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Destroy 40 units with a single unit in an Unranked or Ranked game.
Win a 1 vs 2 Multiplayer Custom Game with no Allies against 2 Harder A.I. opponents.
Win 5 Team Unranked or Ranked games in a row.