Do a 6 combo gem break and receive "For the Swarm" notification in a game of ’StarJeweled’.
Cook at least one of each dish in all three rounds of one game of Aiur Chef.
Score the rank of Gold in all the challenge missions.
Kill 50 units with a single Penetrator Round in the “Belly of the Beast” mission on Hard difficulty.
Complete 20 missions in the Wings of Liberty campaign on Hard difficulty.