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