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