Kill the Marauder Kill Team in “The Great Train Robbery” mission on Normal difficulty.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Win 3 Team Unranked or Ranked games in a row.
Destroy all Rip-Field Generators in the “Maw of the Void” mission on Normal difficulty.
Complete all mission objectives in the “Supernova” mission.