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.
Dealt with the cartographer.
Brokered peace between the Iconoclasts and MSI.
Had 75% or higher negative reputation with 3 factions.
Killed 50 enemies with sneak attacks.
Saved Edgewater permanently.
Completed The Outer Worlds on supernova difficulty.
Skipped the Hope into the sun.
Brought robo-destruction to Edgewater.
Completed The Outer Worlds on any difficulty.
Completed The Outer Worlds on hard difficulty.
Landed on Tartarus.
Used the medical inhaler 300 times.
Killed an enemy under the effects of 4 science weapons.
Killed an enemy with a science weapon sneak attack during TTD, with a weakspot critical hit.
Killed an enemy that was hit with all 5 damage types.
Character level 30 reached.
Killed 50 enemies with a tossball stick or tossball blocker.
Killed 20 enemies that were infected by spreading N-rays.
Killed 30 automechanicals with shock damage.
Skipped the Hope.
Starred in an Odeon Pictures movie.
Wore 'A Nice Hat' and 'Chimaera' at the same time.
Raised a skill to 100.
Completed all companion quests.
Recruited all of the companions.
Learned the shocking truth about the colony.
Hit 30 enemies in the groin during tactical time dilation.
Completed the SubLight quest lines.
Simultaneously had bonuses for meat, carbohydrates, sugary drink, caffeine, and alcohol.
Landed in Byzantium.
Killed 50 enemies with companion abilities.
Improved your gear 30 times through tinkering and mods.
Succeeded at 3 dialog conversation checks with a single disguise.
Finished a companion's quest line.
Acquired 3 flaws.
Won the battle of Stellar Bay.
Turned 100 enemies to ash with plasma damage.
Stopped the Monarch broadcasts.
Killed a mega creature.
Used dialog skills 30 times in conversations.
Reached Stellar Bay.
Simultaneously equipped Spacer's Choice brand clothing, headgear, and 4 weapons.
Sold 10,000 bits worth of items to vendors.
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.
Acquired Spectrum Gatling, The Needler, and Udder Buddy.
Completed Murder on Eridanos on any difficulty.
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.