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