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