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.
Recruit all companions.
Cause 10,000 damage with Melee Weapons.
Cause 10,000 damage with Unarmed weapons.
Play 10 spins of Slots.
Get banned from all the Strip's casinos.
Complete Render Unto Caesar.
Complete Wild Card.
Complete Veni, Vidi, Vici.
Complete No Gods, No Masters
Complete Return to Sender.
Complete Arizona Killer.
Complete Volare!
Complete The Legend of the Star.
Cause 10,000 damage with Energy Weapons.
Win 30 games of Caravan.
Craft 20 items.
Install 20 weapon mods.
Discover 50 locations.
Discover 125 locations.
Discover all snow globes.
Sell 10,000 caps worth of goods.
Cause 10,000 damage with Explosives.
Cause 10,000 damage with Guns.
Win 3 games of Caravan.
Play 10 spins of Roulette.
Play 10 hands of Blackjack.
Heal 10,000 points of damage with Stimpaks.
Hack 25 terminals.
Make 50 Speech challenges.
Heal 10,000 points of damage with food.
Complete For the Republic.
Complete Eureka!
Complete Talent Pool.
Complete You'll Know It When It Happens.
Complete G.I. Blues.
Pick 25 locks.
Repair 30 items.
Pick 50 pockets.
Play the game from start to finish in Hardcore Mode.
Complete They Went That-a-Way.
Complete Ring-a-Ding-Ding.
Complete The House Always Wins.
Complete All or Nothing.
Reached 10th level.
Reach 20th level.
Reach 30th level.
Complete That Lucky Old Sun.
Recruit any companion.
Complete Come Fly With Me.
Complete Ain't That a Kick in the Head.
Confront Father Elijah in the Sierra Madre's Vault.
Complete the Sierra Madre Gala Event.
Trap Father Elijah in the Sierra Madre's Vault.
Collect 500 Sierra Madre Chips.
Recruit Dean Domino, Christine and Dog.
Evacuate Zion.
Crush the White Legs.
Arrive at Zion.
Resupply Daniel and the Sorrows.
Scout the Zion Valley for signs of the White Legs.
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!
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 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.
Caused 10,000 damage with unique Mojave Wasteland weapons.