Kill 5 enemy units in the “Liberation Day” mission with Raynor on Normal difficulty.
While playing as Zerg, warp in a Zealot in a Melee game.
Score the rank of Gold in the “Infestation” challenge mission.
Train 10 Marines during the first 320 seconds of a single Melee game.
Mutate a Lair during the first 285 seconds of a Melee game.