Score the rank of Gold in all the challenge missions.
Destroy 20 units with Yamato blasts in an Unranked or Ranked game.
Using Warp Prisms, warp in 50 units in a single Melee game.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
Destroy all Protoss structures in the “Welcome to the Jungle” mission on Normal difficulty.