Complete mission 6 of the Galactic Marine Corp campaign.
Across the Multiverse
As a Galactic Marine Corp or Cranioids player, win a multiplayer match against human player playing a faction from one of the other 8-Bit games (Guardians, Renegades, Deathsworn or Lightbringers).
Two is All I Need
As a Galactic Marine Corp or Cranioids player, Win a skirmish (on hard or higher) or multiplayer game without building more than one additional harvester (the starting harvester doesn't count).