Kill 50 supply worth of units within 15 seconds in a Melee game.
Score the rank of Gold in the “Tactical Command” challenge mission.
Using Warp Prisms, warp in 50 units in a single Melee game.
Build a Factory during the first 270 seconds of a Melee game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.