Win a Free-For-All Multiplayer Custom Game against 7 Elite A.I. opponents.
Complete the “A Sinister Turn” mission on Hard difficulty in less than 25 minutes.
Kill 75 enemy units or structures with cloaked Banshees in the “Supernova” mission on Hard difficulty.
Destroy a fully loaded transport in an Unranked or Ranked game.
Complete all the Outmatched achievements.