Play enough qualifying games to get placed in a Matchmaking Ranked League.
Win a 3v3 Unranked or Ranked game playing all race possibilities.
Complete the “Smash and Grab” mission on Normal difficulty without losing a unit to a Protoss Stone Guardian.
Build a Factory during the first 270 seconds of a Melee game.
Complete “The Moebius Factor” mission before Kerrigan destroys 6 Abandoned Structures on Hard difficulty.