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 Eureka!
Win 30 games of Caravan.
Complete For the Republic.
Win 3 games of Caravan.
Heal 10,000 points of damage with food.
Install 20 weapon mods.
Heal 10,000 points of damage with Stimpaks.
Hack 25 terminals.
Discover 125 locations.
Cause 10,000 damage with Energy Weapons.
Get banned from all the Strip's casinos.
Play 10 spins of Roulette.
Play 10 hands of Blackjack.
Play 10 spins of Slots.
Complete The Legend of the Star.
Cause 10,000 damage with Explosives.
Reach 30th level.
Pick 50 pockets.
Complete Return to Sender.
Cause 10,000 damage with Unarmed weapons.
Complete Talent Pool.
Complete G.I. Blues.
Discover all snow globes.
Recruit all companions.
Complete Come Fly With Me.
Play the game from start to finish in Hardcore Mode.
Complete All or Nothing.
Complete The House Always Wins.
Complete No Gods, No Masters
Complete Wild Card.
Complete You'll Know It When It Happens.
Complete Veni, Vidi, Vici.
Make 50 Speech challenges.
Complete Render Unto Caesar.
Complete Arizona Killer.
Complete Volare!
Complete Ring-a-Ding-Ding.
Complete They Went That-a-Way.
Pick 25 locks.
Complete That Lucky Old Sun.
Recruit any companion.
Reach 20th level.
Discover 50 locations.
Craft 20 items.
Cause 10,000 damage with Melee Weapons.
Repair 30 items.
Sell 10,000 caps worth of goods.
Cause 10,000 damage with Guns.
Reached 10th level.
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.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Reactivate all of the Sink's robotic assistants.
Search your feelings... for your heart.
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) three star (***) Challenges.
Completed any three Gun Runners' Arsenal (GRA) one star (*) Challenges.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.
Caused 10,000 damage with unique Mojave Wasteland weapons.