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 equipped Spacer's Choice brand clothing, headgear, and 4 weapons.
Killed an enemy that was hit with all 5 damage types.
Skipped the Hope.
Learned the shocking truth about the colony.
Brokered peace between the Iconoclasts and MSI.
Character level 30 reached.
Stopped the Monarch broadcasts.
Turned 100 enemies to ash with plasma damage.
Hit 30 enemies in the groin during tactical time dilation.
Completed all companion quests.
Killed 50 enemies with a tossball stick or tossball blocker.
Simultaneously had bonuses for meat, carbohydrates, sugary drink, caffeine, and alcohol.
Completed the SubLight quest lines.
Recruited all of the companions.
Starred in an Odeon Pictures movie.
Dealt with the cartographer.
Landed in Byzantium.
Had 75% or higher positive reputation with 3 factions.
Used dialog skills 30 times in conversations.
Finished a companion's quest line.
Sold 10,000 bits worth of items to vendors.
Improved your gear 30 times through tinkering and mods.
Reached Stellar Bay.
Killed 20 enemies that were infected by spreading N-rays.
Killed 30 automechanicals with shock damage.
Got your very own ship.
Recruited a companion.
Killed a mega creature.
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.
Killed 50 enemies with sneak attacks.
Used the medical inhaler 300 times.
Had 75% or higher negative reputation with 3 factions.
Acquired 3 flaws.
Wore 'A Nice Hat' and 'Chimaera' at the same time.
Raised a skill to 100.
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.
Landed on Tartarus.
Won the battle of Stellar Bay.
Saved the universe's greatest diet toothpaste recipe.
Saved Edgewater permanently.
Brought robo-destruction to Edgewater.
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.