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.
Cause 10,000 damage with Melee Weapons.
Complete G.I. Blues.
Complete Return to Sender.
Heal 10,000 points of damage with food.
Play 10 spins of Slots.
Reach 30th level.
Discover 125 locations.
Make 50 Speech challenges.
Cause 10,000 damage with Energy Weapons.
Pick 25 locks.
Complete All or Nothing.
Complete The House Always Wins.
Reach 20th level.
Complete You'll Know It When It Happens.
Complete That Lucky Old Sun.
Complete Volare!
Discover 50 locations.
Complete Ring-a-Ding-Ding.
Complete They Went That-a-Way.
Reached 10th level.
Complete Come Fly With Me.
Cause 10,000 damage with Guns.
Recruit any companion.
Craft 20 items.
Sell 10,000 caps worth of goods.
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.
Heal 10,000 points of damage with Stimpaks.
Repair 30 items.
Hack 25 terminals.
Pick 50 pockets.
Cause 10,000 damage with Unarmed weapons.
Win 3 games of Caravan.
Play 10 spins of Roulette.
Play 10 hands of Blackjack.
Win 30 games of Caravan.
Get banned from all the Strip's casinos.
Play the game from start to finish in Hardcore Mode.
Complete For the Republic.
Complete Render Unto Caesar.
Complete Wild Card.
Complete Veni, Vidi, Vici.
Complete Eureka!
Complete No Gods, No Masters
Complete Talent Pool.
Complete Arizona Killer.
Complete The Legend of the Star.
Trap Father Elijah in the Sierra Madre's Vault.
Collect 500 Sierra Madre Chips.
Complete the Sierra Madre Gala Event.
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.
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!
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.