2013 Season 3 - Snapshot
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.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Destroy a total of 100 enemy units in Free-for-All Quick Match games.
Cancel construction of a structure that is being destroyed by an opponent in a Melee game.