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