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