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