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 Volare!
Complete That Lucky Old Sun.
Heal 10,000 points of damage with Stimpaks.
Hack 25 terminals.
Discover 125 locations.
Win 3 games of Caravan.
Complete G.I. Blues.
Get banned from all the Strip's casinos.
Play 10 spins of Roulette.
Play 10 spins of Slots.
Cause 10,000 damage with Guns.
Reach 20th level.
Cause 10,000 damage with Energy Weapons.
Reach 30th level.
Complete Talent Pool.
Install 20 weapon mods.
Craft 20 items.
Play 10 hands of Blackjack.
Complete Ring-a-Ding-Ding.
Sell 10,000 caps worth of goods.
Reached 10th level.
Complete They Went That-a-Way.
Repair 30 items.
Discover 50 locations.
Cause 10,000 damage with Melee Weapons.
Make 50 Speech challenges.
Pick 25 locks.
Recruit any companion.
Complete Come Fly With Me.
Complete Ain't That a Kick in the Head.
Recruit all companions.
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 30 games of Caravan.
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 Return to Sender.
Complete Arizona Killer.
Complete You'll Know It When It Happens.
Complete The Legend of the Star.
Confront Father Elijah in the Sierra Madre's Vault.
Recruit Dean Domino, Christine and Dog.
Collect 500 Sierra Madre Chips.
Trap Father Elijah in the Sierra Madre's Vault.
Complete the Sierra Madre Gala Event.
Crush the White Legs.
Evacuate Zion.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at Zion.
Complete Old World Blues.
Reactivate all of the Sink's robotic assistants.
Make up your mind... about your brain.
Search your feelings... for your heart.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Found all of ED-E's upgrades in the Divide.
Decided the fate of all the Divide dwellers.
Completed Lonesome Road.
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.