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