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