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.
Hack 25 terminals.
Discover 125 locations.
Pick 25 locks.
Reach 30th level.
Cause 10,000 damage with Energy Weapons.
Complete Eureka!
Repair 30 items.
Complete For the Republic.
Complete You'll Know It When It Happens.
Reach 20th level.
Complete Volare!
Complete Come Fly With Me.
Complete That Lucky Old Sun.
Discover 50 locations.
Make 50 Speech challenges.
Complete Ring-a-Ding-Ding.
Reached 10th level.
Complete G.I. Blues.
Recruit any companion.
Complete They Went That-a-Way.
Complete Ain't That a Kick in the Head.
Recruit all companions.
Craft 20 items.
Install 20 weapon mods.
Discover all snow globes.
Sell 10,000 caps worth of goods.
Cause 10,000 damage with Explosives.
Cause 10,000 damage with Guns.
Heal 10,000 points of damage with Stimpaks.
Cause 10,000 damage with Melee Weapons.
Pick 50 pockets.
Heal 10,000 points of damage with food.
Cause 10,000 damage with Unarmed weapons.
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 Render Unto Caesar.
Complete Wild Card.
Complete All or Nothing.
Complete Veni, Vidi, Vici.
Complete No Gods, No Masters
Complete Talent Pool.
Complete Return to Sender.
Complete Arizona Killer.
Complete The Legend of the Star.
Trap Father Elijah in the Sierra Madre's Vault.
Confront 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.
Crush the White Legs.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at Zion.
Evacuate 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!
Completed Lonesome Road.
Decided the fate of all the Divide dwellers.
Found all of ED-E's upgrades in the Divide.
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.