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.
Recruit all companions.
Discover all snow globes.
Complete The Legend of the Star.
Hack 25 terminals.
Discover 125 locations.
Complete No Gods, No Masters
Complete Wild Card.
Complete Eureka!
Complete For the Republic.
Complete You'll Know It When It Happens.
Cuase 10,000 damage with Melee Weapons.
Reach 30th level.
Cause 10,000 damage with Guns.
Cause 10,000 damage with Unarmed weapons.
Reach 20th level.
Cause 10,000 damage with Energy Weapons.
Make 50 Speech challenges.
Discover 50 locations.
Get banned from all the Strip's casinos.
Play 10 spins of Roulette.
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 Return to Sender.
Complete Talent Pool.
Complete G.I. Blues.
Complete The House Always Wins.
Play 10 spins of Slots.
Play 10 hands of Blackjack.
Pick 25 locks.
Sell 10,000 caps worth of goods.
Complete That Lucky Old Sun.
Complete Volare!
Repair 30 items.
Win 3 games of Caravan.
Reached 10th level.
Complete Ring-a-Ding-Ding.
Recruit any companion.
Complete They Went That-a-Way.
Complete Come Fly With Me.
Craft 20 items.
Complete Ain't That a Kick in the Head.
Install 20 weapon mods.
Cause 10,000 damage with Explosives.
Heal 10,000 points of damage with Stimpaks.
Pick 50 pockets.
Heal 10,000 points of damage with food.
Win 30 games of Caravan.
Complete the Sierra Madre Gala Event.
Collect 500 Sierra Madre Chips.
Recruit Dean Domino, Christine and Dog.
Confront Father Elijah in the Sierra Madre's Vault.
Trap Father Elijah in the Sierra Madre's Vault.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.
Caused 10,000 damage with unique Mojave Wasteland weapons.
Completed any three Gun Runners' Arsenal (GRA) one star (*) Challenges.
Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.
Evacuate Zion.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at Zion.
Crush the White Legs.
Detonated all of the warheads in the Divide.
Found all of ED-E's upgrades in the Divide.
Fully upgraded The Divide's signature weapon.
Decided the fate of all the Divide dwellers.
Completed Lonesome Road.
Complete Old World Blues.
Make up your mind... about your brain.
Find your courage... find your spine.
Search your feelings... for your heart.
Reactivate all of the Sink's robotic assistants.