Complete “The Great Train Robbery” mission without letting a Train pass by on Hard difficulty.
Kill the Marauder Kill Team in “The Great Train Robbery” mission on Normal difficulty.
Destroy 30 units with Infested Terrans in an Unranked or Ranked game.
Deplete 10 Rich Mineral Fields in a single Melee game.
Complete the “Zero Hour” mission on Normal difficulty without losing or salvaging a structure.