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