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.
Score the rank of Gold in the “Tactical Command” challenge mission.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Kill 15 enemy units with a single Nuke in an Unranked or Ranked game.