Full list of all 75 Fallout: New Vegas achievements. It takes around 60-80 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.
Complete All or Nothing.
Complete The House Always Wins.
Hack 25 terminals.
Cause 10,000 damage with Energy Weapons.
Complete Veni, Vidi, Vici.
Complete Render Unto Caesar.
Pick 50 pockets.
Reach 20th level.
Complete Arizona Killer.
Recruit all companions.
Cause 10,000 damage with Unarmed weapons.
Get banned from all the Strip's casinos.
Complete G.I. Blues.
Play the game from start to finish in Hardcore Mode.
Complete Eureka!
Heal 10,000 points of damage with Stimpaks.
Heal 10,000 points of damage with food.
Complete For the Republic.
Complete The Legend of the Star.
Complete You'll Know It When It Happens.
Complete Talent Pool.
Complete Return to Sender.
Discover all snow globes.
Install 20 weapon mods.
Win 30 games of Caravan.
Cause 10,000 damage with Melee Weapons.
Make 50 Speech challenges.
Reach 30th level.
Discover 125 locations.
Play 10 spins of Slots.
Play 10 spins of Roulette.
Play 10 hands of Blackjack.
Complete Volare!
Cause 10,000 damage with Explosives.
Win 3 games of Caravan.
Pick 25 locks.
Cause 10,000 damage with Guns.
Discover 50 locations.
Complete Ring-a-Ding-Ding.
Complete They Went That-a-Way.
Sell 10,000 caps worth of goods.
Reached 10th level.
Complete That Lucky Old Sun.
Complete Come Fly With Me.
Repair 30 items.
Craft 20 items.
Recruit any companion.
Complete Ain't That a Kick in the Head.
Collect 500 Sierra Madre Chips.
Recruit Dean Domino, Christine and Dog.
Trap Father Elijah in the Sierra Madre's Vault.
Confront Father Elijah in the Sierra Madre's Vault.
Complete the Sierra Madre Gala Event.
Evacuate Zion.
Crush the White Legs.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at Zion.
Complete Old World Blues.
Make up your mind... about your brain.
Search your feelings... for your heart.
Reactivate all of the Sink's robotic assistants.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Detonated all of the warheads in the Divide.
Found all of ED-E's upgrades in the Divide.
Completed Lonesome Road.
Decided the fate of all the Divide dwellers.
Fully upgraded The Divide's signature weapon.
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 Gun Runners' Arsenal (GRA) Weapons.
Caused 10,000 damage with unique Mojave Wasteland weapons.