Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.
Dodge a Raven Seeker Missile in a Melee game.
Win a 2v2 game of ’StarJeweled’ with no A.I. players.
Complete all the Guide Three achievements.
Win a 3v3 Unranked or Ranked game playing all race possibilities.