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