Battle.net

Score the rank of Gold in the “For the Swarm” challenge mission.

Kill the Brutalisk with lava in "The Devil’s Playground” mission on Normal difficulty.

Morph 20 Zerglings during the first 255 seconds of a single Melee game.

Complete all the Outmatched achievements.

Kill 50 supply worth of units within 15 seconds in a Melee game.