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