Full list of all 68 The Outer Worlds achievements. It takes around 40-50 hours to unlock all of the achievements in the base game on Windows.
The base game contains 48 achievements, and there are 2 DLC packs containing 20 achievements.
Completed The Outer Worlds on supernova difficulty.
Completed The Outer Worlds on hard difficulty.
Skipped the Hope into the sun.
Brought robo-destruction to Edgewater.
Dealt with the cartographer.
Completed The Outer Worlds on any difficulty.
Landed on Tartarus.
Killed an enemy under the effects of 4 science weapons.
Used the medical inhaler 300 times.
Killed an enemy with a science weapon sneak attack during TTD, with a weakspot critical hit.
Skipped the Hope.
Saved Edgewater permanently.
Character level 30 reached.
Learned the shocking truth about the colony.
Completed the SubLight quest lines.
Starred in an Odeon Pictures movie.
Wore 'A Nice Hat' and 'Chimaera' at the same time.
Completed all companion quests.
Finished a companion's quest line.
Landed in Byzantium.
Won the battle of Stellar Bay.
Brokered peace between the Iconoclasts and MSI.
Had 75% or higher negative reputation with 3 factions.
Stopped the Monarch broadcasts.
Killed 50 enemies with sneak attacks.
Killed 20 enemies that were infected by spreading N-rays.
Killed 30 automechanicals with shock damage.
Killed 50 enemies with a tossball stick or tossball blocker.
Raised a skill to 100.
Hit 30 enemies in the groin during tactical time dilation.
Turned 100 enemies to ash with plasma damage.
Killed 50 enemies with companion abilities.
Recruited all of the companions.
Reached Stellar Bay.
Acquired 3 flaws.
Killed an enemy that was hit with all 5 damage types.
Killed a mega creature.
Saved the universe's greatest diet toothpaste recipe.
Simultaneously had bonuses for meat, carbohydrates, sugary drink, caffeine, and alcohol.
Sold 10,000 bits worth of items to vendors.
Had 75% or higher positive reputation with 3 factions.
Improved your gear 30 times through tinkering and mods.
Simultaneously equipped Spacer's Choice brand clothing, headgear, and 4 weapons.
Used dialog skills 30 times in conversations.
Succeeded at 3 dialog conversation checks with a single disguise.
Got your very own ship.
Recruited a companion.
Landed in Emerald Vale.
Completed Murder on Eridanos on any difficulty.
Received an invitation to Eridanos.
Acquired Spectrum Gatling, The Needler, and Udder Buddy.
Completed Peril on Gorgon on any difficulty.
Found 20 Portable Phonographs.
Acquired Special Delivery, P.E.T., and Employee Benefits.