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