Here is the full list of all 24 Void Bastards achievements.
Build an upgrade
Get killed by pirates
Upgrade the regulator
Pilot S.T.E.V. to nebula depth two.
Rehydrate a second client.
Escape the nebula,
Escape the nebula on HARD.
Escape the nebula on HARD BASTARD.
Escape the nebula on NORMAL or HARD with no deaths.
Escape the nebula on HARD BASTARD with no deaths.
Build a Citizen Card.
Build the HR Computer.
Build the Water Cooling unit.
Build the Transmitter.
Blow up a void whale.
Survive a pirate encounter.
Build every upgrade.
Catch a garbage collector.
Loot a pupbot.
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.