Complete the “Whispers of Doom” mission on Normal difficulty with 3 or more Stalkers.
Complete the “Echoes of the Future” mission with Zeratul killing 50 Zerg units on Normal difficulty.
Complete the Horner storyline in the Wings of Liberty campaign.
Destroy the Loki in the “Engine of Destruction” mission on Normal difficulty.
Complete the “Breakout” mission on Hard difficulty in less than 25 minutes.

Recently Earned

Raiders’ Medal of Freedom 5/20/2012 Finished a season in the Top 50 of a 1v1 Platinum Division. 12/8/2011 Using Auto-Turrets, destroy 20 worker units in an Unranked or Ranked game. 4/29/2011 Complete all the Unranked / Ranked Combat achievements. 4/29/2011 Kill 15 enemy units with a single Nuke in an Unranked or Ranked game. 4/29/2011 Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game. 4/10/2011 Destroy a total of 5,000 enemy units in Free-for-All Quick Match games. 3/19/2011 Score the rank of Bronze in the “Tactical Command” challenge mission. 3/19/2011 Custom Game Terran 12/29/2010