Cancel construction of a structure that is being destroyed by an opponent in a Melee game.
Destroy 10 cloaked or burrowed units in a single Melee game.
Have 9 Terran units training simultaneously in an Unranked or Ranked game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Complete all mission objectives in the “Zero Hour” mission.