Build a Factory during the first 270 seconds of a Melee game.
While playing as Zerg, warp in a Zealot in a Melee game.
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 10 cloaked or burrowed units in a single Melee game.