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