Here is the full list of all 24 Void Bastards achievements.
Escape the nebula,
Build the Transmitter.
Blow up a void whale.
Build the Water Cooling unit.
Survive a pirate encounter.
Build the HR Computer.
Loot a pupbot.
Build a Citizen Card.
Upgrade the regulator
Rehydrate a second client.
Pilot S.T.E.V. to nebula depth two.
Build an upgrade
Get killed by pirates
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 every upgrade.
Catch a garbage collector.
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.