Full list of all 75 Fallout: New Vegas (EEU) achievements. It takes around 100-120 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 5 DLC packs containing 25 achievements.
Complete No Gods, No Masters
Complete Wild Card.
Win 30 games of Caravan.
Win 3 games of Caravan.
Complete For the Republic.
Complete Eureka!
Pick 50 pockets.
Complete All or Nothing.
Complete The House Always Wins.
Complete You'll Know It When It Happens.
Discover all snow globes.
Play the game from start to finish in Hardcore Mode.
Complete Veni, Vidi, Vici.
Complete Render Unto Caesar.
Complete Arizona Killer.
Complete Ring-a-Ding-Ding.
Complete The Legend of the Star.
Heal 10,000 points of damage with Stimpaks.
Heal 10,000 points of damage with food.
Get banned from all the Strip's casinos.
Hack 25 terminals.
Discover 125 locations.
Cause 10,000 damage with Energy Weapons.
Complete Volare!
Reach 30th level.
Install 20 weapon mods.
Complete That Lucky Old Sun.
Complete Return to Sender.
Cause 10,000 damage with Guns.
Pick 25 locks.
Recruit all companions.
Cause 10,000 damage with Unarmed weapons.
Cuase 10,000 damage with Melee Weapons.
Sell 10,000 caps worth of goods.
Make 50 Speech challenges.
Reach 20th level.
Discover 50 locations.
Complete Talent Pool.
Play 10 spins of Roulette.
Complete G.I. Blues.
Cause 10,000 damage with Explosives.
Reached 10th level.
Play 10 hands of Blackjack.
Play 10 spins of Slots.
Complete They Went That-a-Way.
Complete Come Fly With Me.
Craft 20 items.
Repair 30 items.
Recruit any companion.
Complete Ain't That a Kick in the Head.
Trap Father Elijah in the Sierra Madre's Vault.
Confront Father Elijah in the Sierra Madre's Vault.
Complete the Sierra Madre Gala Event.
Recruit Dean Domino, Christine and Dog.
Collect 500 Sierra Madre Chips.
Completed any three Gun Runners' Arsenal (GRA) one star (*) Challenges.
Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.
Caused 10,000 damage with unique Mojave Wasteland weapons.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.
Crush the White Legs.
Evacuate Zion.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at Zion.
Detonated all of the warheads in the Divide.
Completed Lonesome Road.
Found all of ED-E's upgrades in the Divide.
Decided the fate of all the Divide dwellers.
Fully upgraded The Divide's signature weapon.
Complete Old World Blues.
Make up your mind... about your brain.
Reactivate all of the Sink's robotic assistants.
Search your feelings... for your heart.
Find your courage... find your spine.