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