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.
Complete Return to Sender.
Cause 10,000 damage with Unarmed weapons.
Heal 10,000 points of damage with Stimpaks.
Discover 125 locations.
Reach 30th level.
Cause 10,000 damage with Energy Weapons.
Make 50 Speech challenges.
Get banned from all the Strip's casinos.
Complete Ring-a-Ding-Ding.
Reach 20th level.
Complete That Lucky Old Sun.
Sell 10,000 caps worth of goods.
Discover 50 locations.
Complete G.I. Blues.
Play 10 hands of Blackjack.
Pick 25 locks.
Craft 20 items.
Complete They Went That-a-Way.
Reached 10th level.
Complete Come Fly With Me.
Recruit any companion.
Cause 10,000 damage with Guns.
Repair 30 items.
Complete Ain't That a Kick in the Head.
Recruit all companions.
Install 20 weapon mods.
Discover all snow globes.
Cause 10,000 damage with Explosives.
Cause 10,000 damage with Melee Weapons.
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.
Win 30 games of Caravan.
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 Talent Pool.
Complete Arizona Killer.
Complete You'll Know It When It Happens.
Complete Volare!
Complete The Legend of the Star.
Collect 500 Sierra Madre Chips.
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.
Evacuate Zion.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at Zion.
Crush the White Legs.
Complete Old World Blues.
Make up your mind... about your brain.
Search your feelings... for your heart.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Reactivate all of the Sink's robotic assistants.
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 Gun Runners' Arsenal (GRA) Weapons.
Caused 10,000 damage with unique Mojave Wasteland 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.