Here is the full list of all 14 Sword of the Stars II achievements.
Build your first ship.
Reduce a planet to zero resources.
Successfully survey your first planet.
Colonize a world.
Terraform a planet to a hazard rating of zero.
Welcome back to Sword of the Stars II.
Research all possible techs in a single game.
Design a ship, save the design.
Research the xombie plague.
Build classic "Sword of the Stars" Human Dreadnought.
Successfully repelled with no damage taken by the planet.
Build your first station.
Lose your first Leviathan.
Build "Leviathan" human Leviathan