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 The Legend of the Star.
Pick 50 pockets.
Discover all snow globes.
Complete Return to Sender.
Install 20 weapon mods.
Heal 10,000 points of damage with food.
Discover 125 locations.
Heal 10,000 points of damage with Stimpaks.
Cause 10,000 damage with Explosives.
Cause 10,000 damage with Melee Weapons.
Hack 25 terminals.
Play the game from start to finish in Hardcore Mode.
Complete All or Nothing.
Complete The House Always Wins.
Cause 10,000 damage with Unarmed weapons.
Get banned from all the Strip's casinos.
Play 10 spins of Roulette.
Play 10 hands of Blackjack.
Win 30 games of Caravan.
Win 3 games of Caravan.
Reach 30th level.
Cause 10,000 damage with Energy Weapons.
Recruit all companions.
Complete Veni, Vidi, Vici.
Complete Render Unto Caesar.
Complete Arizona Killer.
Complete Eureka!
Complete For the Republic.
Complete No Gods, No Masters
Complete Wild Card.
Complete You'll Know It When It Happens.
Complete G.I. Blues.
Complete Volare!
Make 50 Speech challenges.
Reach 20th level.
Play 10 spins of Slots.
Complete Talent Pool.
Discover 50 locations.
Complete Ring-a-Ding-Ding.
Pick 25 locks.
Complete They Went That-a-Way.
Cause 10,000 damage with Guns.
Reached 10th level.
Complete Come Fly With Me.
Complete That Lucky Old Sun.
Craft 20 items.
Sell 10,000 caps worth of goods.
Recruit any companion.
Repair 30 items.
Complete Ain't That a Kick in the Head.
Confront Father Elijah in the Sierra Madre's Vault.
Trap 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.
Evacuate Zion.
Crush the White Legs.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at Zion.
Complete Old World Blues.
Make up your mind... about your brain.
Reactivate all of the Sink's robotic assistants.
Search your feelings... for your heart.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Detonated all of the warheads in the Divide.
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.
Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.
Completed any three Gun Runners' Arsenal (GRA) one star (*) Challenges.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.
Caused 10,000 damage with unique Mojave Wasteland weapons.