Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
While playing as Zerg, warp in a Zealot in a Melee game.
Destroy 40 units with a single unit in an Unranked or Ranked game.
Destroy 10 cloaked or burrowed units in a single Melee game.
Score the rank of Gold in the “Rush Defense” challenge mission.