Battle.net

Destroy 40 units with a single unit in an Unranked or Ranked game.

Kill 15 enemy units with a single Nuke in an Unranked or Ranked game.

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

Win a 3v3 Unranked or Ranked game playing all race possibilities.

Train 10 Marines during the first 320 seconds of a single Melee game.