Purchase all Mercenary contracts.
Beat the Terra-tron on the Lost Viking arcade machine.
Complete the Wings of Liberty campaign under 8 hours of total played mission time on Normal difficulty.
Heal 3000 points of damage in a game of ’StarJeweled’ using the Healing Wave ability.
Do a 6 combo gem break and receive "For the Swarm" notification in a game of ’StarJeweled’.