Kill 15 enemy units with a single Nuke in an Unranked or Ranked game.
Score the rank of Gold in all the challenge missions.
Complete all the Melee Combat achievements.
Survive 15 Infested Horde Attacks in the “Night 2 Die" mode of the “Left 2 Die” scenario.
Win 750 Team Unranked or Ranked games as Terran.