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