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 Eureka!
Complete For the Republic.
Complete You'll Know It When It Happens.
Discover all snow globes.
Win 30 games of Caravan.
Heal 10,000 points of damage with food.
Win 3 games of Caravan.
Complete All or Nothing.
Heal 10,000 points of damage with Stimpaks.
Complete The House Always Wins.
Complete Talent Pool.
Pick 50 pockets.
Hack 25 terminals.
Install 20 weapon mods.
Complete Veni, Vidi, Vici.
Complete Render Unto Caesar.
Complete Arizona Killer.
Recruit all companions.
Cause 10,000 damage with Energy Weapons.
Cause 10,000 damage with Explosives.
Cause 10,000 damage with Melee Weapons.
Reach 30th level.
Discover 125 locations.
Complete The Legend of the Star.
Complete Return to Sender.
Discover 50 locations.
Cause 10,000 damage with Unarmed weapons.
Sell 10,000 caps worth of goods.
Get banned from all the Strip's casinos.
Play the game from start to finish in Hardcore Mode.
Complete No Gods, No Masters
Complete Wild Card.
Cause 10,000 damage with Guns.
Pick 25 locks.
Make 50 Speech challenges.
Reach 20th level.
Repair 30 items.
Complete Volare!
Craft 20 items.
Complete Ring-a-Ding-Ding.
Play 10 spins of Slots.
Play 10 hands of Blackjack.
Play 10 spins of Roulette.
Reached 10th level.
Complete G.I. Blues.
Complete They Went That-a-Way.
Complete That Lucky Old Sun.
Complete Come Fly With Me.
Recruit any companion.
Complete Ain't That a Kick in the Head.
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.
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.
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.
Completed Lonesome Road.
Detonated all of the warheads in the Divide.
Found all of ED-E's upgrades in the Divide.
Decided the fate of all the Divide dwellers.
Caused 10,000 damage with unique Mojave Wasteland weapons.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.
Completed any three Gun Runners' Arsenal (GRA) one star (*) Challenges.
Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.