Destroy the Loki in the “Engine of Destruction” mission on Normal difficulty.
Deplete 10 Rich Mineral Fields in a single Melee game.
Complete the Wings of Liberty campaign under 8 hours of total played mission time on Normal difficulty.
Destroy 20 units with Yamato blasts in an Unranked or Ranked game.
Complete the “Media Blitz” mission on Hard difficulty in less than 20 minutes.