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