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