Complete the Wings of Liberty campaign.
Score the rank of Silver in the “Tactical Command” challenge mission.
Hold a Xel’Naga Tower for 5 consecutive minutes in an Unranked or Ranked game.
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.
Win 3 1v1 Unranked or Ranked games in a row.