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