Win a 1 vs 4 Multiplayer Custom Game with no Allies against 4 Very Easy A.I. opponents.
Win a Free-For-All Multiplayer Custom Game against 7 Elite A.I. opponents.
Score the rank of Gold in all the challenge missions.
Destroy 30 units with Infested Terrans in an Unranked or Ranked game.
Regenerate 500 life on a single Roach without taking friendly fire in an Unranked or Ranked game.