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.
Install 20 weapon mods.
Pick 50 pockets.
Hack 25 terminals.
Discover 125 locations.
Complete Eureka!
Complete For the Republic.
Heal 10,000 points of damage with Stimpaks.
Heal 10,000 points of damage with food.
Discover all snow globes.
Complete Veni, Vidi, Vici.
Complete Render Unto Caesar.
Complete Arizona Killer.
Cause 10,000 damage with Melee Weapons.
Complete All or Nothing.
Complete The House Always Wins.
Complete You'll Know It When It Happens.
Cause 10,000 damage with Energy Weapons.
Complete Talent Pool.
Play 10 spins of Roulette.
Complete Return to Sender.
Cause 10,000 damage with Explosives.
Complete Volare!
Make 50 Speech challenges.
Reach 30th level.
Recruit all companions.
Reach 20th level.
Discover 50 locations.
Complete G.I. Blues.
Win 30 games of Caravan.
Cause 10,000 damage with Unarmed weapons.
Play the game from start to finish in Hardcore Mode.
Complete No Gods, No Masters
Complete Wild Card.
Get banned from all the Strip's casinos.
Pick 25 locks.
Sell 10,000 caps worth of goods.
Craft 20 items.
Cause 10,000 damage with Guns.
Repair 30 items.
Reached 10th level.
Complete Ring-a-Ding-Ding.
Play 10 spins of Slots.
Play 10 hands of Blackjack.
Complete They Went That-a-Way.
Complete That Lucky Old Sun.
Complete Come Fly With Me.
Recruit any companion.
Win 3 games of Caravan.
Complete Ain't That a Kick in the Head.
Trap Father Elijah in the Sierra Madre's Vault.
Confront 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.
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.
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!
Found all of ED-E's upgrades in the Divide.
Detonated all of the warheads 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) one star (*) Challenges.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.
Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.
Caused 10,000 damage with unique Mojave Wasteland weapons.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.