Kill 50 supply worth of units within 15 seconds in a Melee game.
Gain 0 “Quick Match” achievement points.
Score the rank of Gold in the “Infestation” challenge mission.
Destroy 30 units with Infested Terrans in an Unranked or Ranked game.
Hold a Xel’Naga Tower for 5 consecutive minutes in an Unranked or Ranked game.