Complete the Wings of Liberty campaign.
Win 3 Matchmaking Versus A.I. games.
Build a Factory during the first 270 seconds of a Melee game.
Destroy an enemy Barracks, Factory, and Starport in the “Media Blitz” mission during the sneak attack on Normal difficulty.
Destroy all Rip-Field Generators in the “Maw of the Void” mission on Normal difficulty.