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