Do a 6 combo gem break and receive "For the Swarm" notification in a game of ’StarJeweled’.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Score the rank of Gold in the “Tactical Command” challenge mission.
Build a Factory during the first 270 seconds of a Melee game.
Train 10 Marines during the first 320 seconds of a single Melee game.