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