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