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.
Recruit all companions.
Cause 10,000 damage with Unarmed weapons.
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 All or Nothing.
Complete Veni, Vidi, Vici.
Complete Eureka!
Complete Come Fly With Me.
Complete Talent Pool.
Complete Return to Sender.
Complete Arizona Killer.
Complete You'll Know It When It Happens.
Complete Volare!
Win 3 games of Caravan.
Hack 25 terminals.
Get banned from all the Strip's casinos.
Complete The Legend of the Star.
Heal 10,000 points of damage with food.
Discover all snow globes.
Install 20 weapon mods.
Pick 50 pockets.
Discover 125 locations.
Complete That Lucky Old Sun.
Reach 30th level.
Cause 10,000 damage with Melee Weapons.
Heal 10,000 points of damage with Stimpaks.
Cause 10,000 damage with Energy Weapons.
Discover 50 locations.
Reach 20th level.
Cause 10,000 damage with Guns.
Sell 10,000 caps worth of goods.
Complete No Gods, No Masters
Complete Wild Card.
Cause 10,000 damage with Explosives.
Pick 25 locks.
Make 50 Speech challenges.
Reached 10th level.
Complete Ring-a-Ding-Ding.
Recruit any companion.
Complete G.I. Blues.
Repair 30 items.
Play 10 spins of Slots.
Play 10 spins of Roulette.
Play 10 hands of Blackjack.
Complete They Went That-a-Way.
Craft 20 items.
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.
Evacuate Zion.
Scout the Zion Valley for signs of the White Legs.
Crush the White Legs.
Arrive at Zion.
Resupply Daniel and the Sorrows.
Reactivate all of the Sink's robotic assistants.
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!
Found all of ED-E's upgrades in the Divide.
Completed Lonesome Road.
Fully upgraded The Divide's signature weapon.
Detonated all of the warheads in the Divide.
Decided the fate of all the Divide dwellers.
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.