Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.
Destroy 40 units with a single unit in an Unranked or Ranked game.
Score the rank of Gold in the “Rush Defense” challenge mission.
Kill 50 supply worth of units within 15 seconds in a Melee game.