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 Eureka!
Complete For the Republic.
Complete You'll Know It When It Happens.
Cause 10,000 damage with Melee Weapons.
Heal 10,000 points of damage with Stimpaks.
Discover 125 locations.
Cause 10,000 damage with Guns.
Reach 30th level.
Complete Ring-a-Ding-Ding.
Hack 25 terminals.
Complete Volare!
Make 50 Speech challenges.
Reach 20th level.
Complete G.I. Blues.
Complete Return to Sender.
Cause 10,000 damage with Energy Weapons.
Discover 50 locations.
Craft 20 items.
Complete They Went That-a-Way.
Reached 10th level.
Complete That Lucky Old Sun.
Sell 10,000 caps worth of goods.
Complete Come Fly With Me.
Repair 30 items.
Pick 25 locks.
Recruit any companion.
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.
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 The House Always Wins.
Complete Render Unto Caesar.
Complete Wild Card.
Complete All or Nothing.
Complete Veni, Vidi, Vici.
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.
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.
Make up your mind... about your brain.
Complete Old World Blues.
Search your feelings... for your heart.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Reactivate all of the Sink's robotic assistants.
Found all of ED-E's upgrades in the Divide.
Completed Lonesome Road.
Decided the fate of all the Divide dwellers.
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.