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.
Play 10 spins of Roulette.
Win 30 games of Caravan.
Hack 25 terminals.
Pick 25 locks.
Heal 10,000 points of damage with food.
Heal 10,000 points of damage with Stimpaks.
Complete The Legend of the Star.
Complete Talent Pool.
Discover all snow globes.
Complete Return to Sender.
Discover 125 locations.
Complete Eureka!
Complete For the Republic.
Cause 10,000 damage with Explosives.
Complete That Lucky Old Sun.
Complete Veni, Vidi, Vici.
Complete Render Unto Caesar.
Complete Arizona Killer.
Cause 10,000 damage with Energy Weapons.
Reach 30th level.
Sell 10,000 caps worth of goods.
Discover 50 locations.
Reach 20th level.
Recruit all companions.
Complete G.I. Blues.
Complete Come Fly With Me.
Cause 10,000 damage with Unarmed weapons.
Get banned from all the Strip's casinos.
Complete No Gods, No Masters
Cause 10,000 damage with Guns.
Complete Wild Card.
Play the game from start to finish in Hardcore Mode.
Complete All or Nothing.
Make 50 Speech challenges.
Complete The House Always Wins.
Complete You'll Know It When It Happens.
Complete Volare!
Play 10 hands of Blackjack.
Play 10 spins of Slots.
Win 3 games of Caravan.
Complete Ring-a-Ding-Ding.
Complete They Went That-a-Way.
Recruit any companion.
Reached 10th level.
Cause 10,000 damage with Melee Weapons.
Repair 30 items.
Craft 20 items.
Complete Ain't That a Kick in the Head.
Install 20 weapon mods.
Pick 50 pockets.
Collect 500 Sierra Madre Chips.
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.
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.
Search your feelings... for your heart.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Reactivate all of the Sink's robotic assistants.
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.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.
Completed any three Gun Runners' Arsenal (GRA) one star (*) Challenges.
Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.
Caused 10,000 damage with unique Mojave Wasteland weapons.