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.
Win 30 games of Caravan.
Heal 10,000 points of damage with Stimpaks.
Heal 10,000 points of damage with food.
Install 20 weapon mods.
Complete All or Nothing.
Complete The House Always Wins.
Complete You'll Know It When It Happens.
Discover all snow globes.
Complete The Legend of the Star.
Complete Return to Sender.
Complete Talent Pool.
Complete Veni, Vidi, Vici.
Complete Render Unto Caesar.
Complete Arizona Killer.
Cause 10,000 damage with Unarmed weapons.
Get banned from all the Strip's casinos.
Play 10 hands of Blackjack.
Play 10 spins of Roulette.
Play 10 spins of Slots.
Win 3 games of Caravan.
Cause 10,000 damage with Melee Weapons.
Cause 10,000 damage with Explosives.
Recruit all companions.
Hack 25 terminals.
Reach 30th level.
Discover 125 locations.
Cause 10,000 damage with Energy Weapons.
Cause 10,000 damage with Guns.
Pick 50 pockets.
Play the game from start to finish in Hardcore Mode.
Complete Eureka!
Complete For the Republic.
Complete Volare!
Complete G.I. Blues.
Reach 20th level.
Make 50 Speech challenges.
Pick 25 locks.
Sell 10,000 caps worth of goods.
Discover 50 locations.
Complete That Lucky Old Sun.
Complete Ring-a-Ding-Ding.
Reached 10th level.
Complete Come Fly With Me.
Complete They Went That-a-Way.
Craft 20 items.
Recruit any companion.
Repair 30 items.
Complete Ain't That a Kick in the Head.
Trap Father Elijah in the Sierra Madre's Vault.
Complete the Sierra Madre Gala Event.
Confront 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.
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!
Completed Lonesome Road.
Detonated all of the warheads in the Divide.
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 any three Gun Runners' Arsenal (GRA) three star (***) Challenges.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.
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.