Play a game of StarCraft II during the 15th anniversary celebration.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Play enough qualifying games to get placed in a Matchmaking Ranked League.
Call down 30 MULEs in an Unranked or Ranked game.
Destroy 10 cloaked or burrowed units in a single Melee game.