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
Win 30 games of Caravan.
Win 3 games of Caravan.
Complete Wild Card.
Get banned from all the Strip's casinos.
Heal 10,000 points of damage with food.
Heal 10,000 points of damage with Stimpaks.
Pick 50 pockets.
Cause 10,000 damage with Explosives.
Install 20 weapon mods.
Complete The Legend of the Star.
Hack 25 terminals.
Cause 10,000 damage with Energy Weapons.
Discover all snow globes.
Cause 10,000 damage with Unarmed weapons.
Complete Return to Sender.
Discover 125 locations.
Complete Talent Pool.
Reach 30th level.
Complete Volare!
Make 50 Speech challenges.
Cuase 10,000 damage with Melee Weapons.
Reach 20th level.
Recruit all companions.
Complete G.I. Blues.
Complete Eureka!
Complete For the Republic.
Complete Veni, Vidi, Vici.
Complete Render Unto Caesar.
Complete Arizona Killer.
Play the game from start to finish in Hardcore Mode.
Complete All or Nothing.
Complete The House Always Wins.
Complete You'll Know It When It Happens.
Discover 50 locations.
Complete Ring-a-Ding-Ding.
Pick 25 locks.
Play 10 hands of Blackjack.
Play 10 spins of Roulette.
Play 10 spins of Slots.
Complete They Went That-a-Way.
Reached 10th level.
Cause 10,000 damage with Guns.
Complete That Lucky Old Sun.
Complete Come Fly With Me.
Sell 10,000 caps worth of goods.
Recruit any companion.
Repair 30 items.
Craft 20 items.
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.
Collect 500 Sierra Madre Chips.
Recruit Dean Domino, Christine and Dog.
Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.
Completed any three Gun Runners' Arsenal (GRA) one 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.
Fully upgraded The Divide's signature weapon.
Found all of ED-E's upgrades in the Divide.
Completed Lonesome Road.
Decided the fate of all the Divide dwellers.
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.