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