Train 10 Marines during the first 320 seconds of a single Melee game.
Kill 15 enemy units with a single Nuke in an Unranked or Ranked game.
Do a 6 combo gem break and receive "For the Swarm" notification in a game of ’StarJeweled’.
Complete all the Guide Three achievements.
Survive 15 Infested Horde Attacks in the “Night 2 Die" mode of the “Left 2 Die” scenario.