Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.
Destroy 30 units with Infested Terrans in an Unranked or Ranked game.
Using Warp Prisms, warp in 50 units in a single Melee game.
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.
Don’t train additional SCVs before purchasing Han’s contract in the “Cutthroat” mission on Hard difficulty.