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