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