Beat the Terra-tron on the Lost Viking arcade machine.
Destroy 10 cloaked or burrowed units in a single Melee game.
Play enough qualifying games to get placed in a Matchmaking Ranked League.
Call down 30 MULEs in an Unranked or Ranked game.
Hold a Xel’Naga Tower for 5 consecutive minutes in an Unranked or Ranked game.