Score the rank of Gold in the “Tactical Command” challenge mission.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Destroy 6 units with a single Seeker Missile in an Unranked or Ranked game.
Prevent the Protoss from killing an SCV in the “Welcome to the Jungle” mission on Normal difficulty.
Train 10 Marines during the first 320 seconds of a single Melee game.