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.
Heal 10,000 points of damage with food.
Install 20 weapon mods.
Complete All or Nothing.
Complete The House Always Wins.
Complete Veni, Vidi, Vici.
Complete Render Unto Caesar.
Complete Arizona Killer.
Cause 10,000 damage with Melee Weapons.
Cause 10,000 damage with Unarmed weapons.
Cause 10,000 damage with Explosives.
Cause 10,000 damage with Energy Weapons.
Complete No Gods, No Masters
Complete Wild Card.
Discover 125 locations.
Hack 25 terminals.
Complete The Legend of the Star.
Reach 30th level.
Play the game from start to finish in Hardcore Mode.
Complete For the Republic.
Recruit all companions.
Complete You'll Know It When It Happens.
Discover all snow globes.
Play 10 spins of Roulette.
Craft 20 items.
Complete Eureka!
Heal 10,000 points of damage with Stimpaks.
Complete Return to Sender.
Get banned from all the Strip's casinos.
Reach 20th level.
Complete Ring-a-Ding-Ding.
Complete Talent Pool.
Complete G.I. Blues.
Complete Volare!
Make 50 Speech challenges.
Complete That Lucky Old Sun.
Discover 50 locations.
Pick 25 locks.
Cause 10,000 damage with Guns.
Sell 10,000 caps worth of goods.
Reached 10th level.
Recruit any companion.
Play 10 spins of Slots.
Play 10 hands of Blackjack.
Complete They Went That-a-Way.
Complete Come Fly With Me.
Repair 30 items.
Win 3 games of Caravan.
Complete Ain't That a Kick in the Head.
Pick 50 pockets.
Win 30 games of Caravan.
Recruit Dean Domino, Christine and Dog.
Collect 500 Sierra Madre Chips.
Confront Father Elijah in the Sierra Madre's Vault.
Complete the Sierra Madre Gala Event.
Trap Father Elijah in the Sierra Madre's Vault.
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.
Reactivate all of the Sink's robotic assistants.
Make up your mind... about your brain.
Search your feelings... for your heart.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
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.
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 Gun Runners' Arsenal (GRA) Weapons.
Caused 10,000 damage with unique Mojave Wasteland weapons.