Kill 50 supply worth of units within 15 seconds in a Melee game.
Win a 1v1 Multiplayer Custom Game against a Harder A.I. opponent in under 5 minutes.
While playing as Zerg, warp in a Zealot in a Melee game.
Score the rank of Gold in all the challenge missions.
Destroy all Zerg structures in "The Devil’s Playground” mission on Normal difficulty.