Here is the full list of all 68 The Outer Worlds: Spacer's Choice Edition achievements.
Reached Stellar Bay.
Received an invitation to Eridanos.
Saved the universe's greatest diet toothpaste recipe.
Used dialog skills 30 times in conversations.
Had 75% or higher positive reputation with 3 factions.
Killed a mega creature.
Got your very own ship.
Recruited a companion.
Landed in Emerald Vale.
Completed The Outer Worlds on any difficulty.
Completed The Outer Worlds on hard difficulty.
Completed The Outer Worlds on supernova difficulty.
Killed 50 enemies with companion abilities.
Hit 30 enemies in the groin during tactical time dilation.
Improved your gear 30 times through tinkering and mods.
Killed 50 enemies with sneak attacks.
Killed 30 automechanicals with shock damage.
Used the medical inhaler 300 times.
Turned 100 enemies to ash with plasma damage.
Killed 50 enemies with a tossball stick or tossball blocker.
Sold 10,000 bits worth of items to vendors.
Had 75% or higher negative reputation with 3 factions.
Acquired 3 flaws.
Simultaneously equipped Spacer's Choice brand clothing, headgear, and 4 weapons.
Wore 'A Nice Hat' and 'Chimaera' at the same time.
Character level 30 reached.
Finished a companion's quest line.
Killed an enemy that was hit with all 5 damage types.
Killed 20 enemies that were infected by spreading N-rays.
Raised a skill to 100.
Killed an enemy with a science weapon sneak attack during TTD, with a weakspot critical hit.
Simultaneously had bonuses for meat, carbohydrates, sugary drink, caffeine, and alcohol.
Killed an enemy under the effects of 4 science weapons.
Succeeded at 3 dialog conversation checks with a single disguise.
Completed all companion quests.
Recruited all of the companions.
Landed in Byzantium.
Landed on Tartarus.
Skipped the Hope.
Stopped the Monarch broadcasts.
Learned the shocking truth about the colony.
Completed the SubLight quest lines.
Brokered peace between the Iconoclasts and MSI.
Won the battle of Stellar Bay.
Saved Edgewater permanently.
Brought robo-destruction to Edgewater.
Starred in an Odeon Pictures movie.
Dealt with the cartographer.
Skipped the Hope into the sun.
Completed Peril on Gorgon on any difficulty.
Powered the reactor.
Destroyed the Synthesizer.
Listened to Lucky Montoya's message.
Found Olivia Ambrose's journal.
Found Lucky Montoya's body.
Delivered the journal to Lucien.
Found 20 Portable Phonographs.
Achieved a compromise between Olivia and Minnie.
Acquired Special Delivery, P.E.T., and Employee Benefits.
Completed Murder on Eridanos on any difficulty.
Killed the Slug Queen.
Chose to either infect or cure Eridanos.
Used the Discrepancy Amplifier.
Investigated every suspected and reported to Administrator Ludovico.
Discovered the biggest secret in the aetherwave industry.
Acquired Spectrum Gatling, The Needler, and Udder Buddy.
Killed 50 Infected Humans or Parasites.
Asked a companion to be the Bad Inspector.