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.
Hack 25 terminals.
Complete No Gods, No Masters
Cause 10,000 damage with Melee Weapons.
Heal 10,000 points of damage with Stimpaks.
Make 50 Speech challenges.
Reach 30th level.
Discover 125 locations.
Complete Wild Card.
Complete You'll Know It When It Happens.
Sell 10,000 caps worth of goods.
Complete Talent Pool.
Cause 10,000 damage with Guns.
Pick 25 locks.
Cause 10,000 damage with Energy Weapons.
Reach 20th level.
Complete Volare!
Discover 50 locations.
Complete G.I. Blues.
Play 10 hands of Blackjack.
Play 10 spins of Roulette.
Complete Ring-a-Ding-Ding.
Recruit any companion.
Reached 10th level.
Complete They Went That-a-Way.
Complete Come Fly With Me.
Complete That Lucky Old Sun.
Craft 20 items.
Repair 30 items.
Complete Ain't That a Kick in the Head.
Recruit all companions.
Install 20 weapon mods.
Discover all snow globes.
Cause 10,000 damage with Explosives.
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 Slots.
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 All or Nothing.
Complete Veni, Vidi, Vici.
Complete Eureka!
Complete Return to Sender.
Complete Arizona Killer.
Complete The Legend of the Star.
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.
Trap 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.
Make up your mind... about your brain.
Complete Old World Blues.
Reactivate all of the Sink's robotic assistants.
Search your feelings... for your heart.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
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 unique Mojave Wasteland weapons.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) 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.