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