Here is the full list of all 24 Void Bastards achievements.
Escape the nebula,
Escape the nebula on NORMAL or HARD with no deaths.
Build the Transmitter.
Build every upgrade.
Survive a pirate encounter.
Build the Water Cooling unit.
Blow up a void whale.
Catch a garbage collector.
Build the HR Computer.
Loot a pupbot.
Build a Citizen Card.
Upgrade the regulator
Pilot S.T.E.V. to nebula depth two.
Rehydrate a second client.
Build an upgrade
Get killed by pirates
Escape the nebula on HARD.
Escape the nebula on HARD BASTARD.
Escape the nebula on HARD BASTARD with no deaths.
Escape the nebula on NORMAL with the UNARMED restriction.
Escape the nebula on NORMAL with the ONLY FIREARMS restriction.
Escape the nebula on NORMAL with the ONLY INDIRECT restriction.
Escape the nebula on NORMAL with the ONLY DEVICES restriction.
Escape the nebula on NORMAL without building any non progress upgrades.