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