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