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.
Win 30 games of Caravan.
Heal 10,000 points of damage with food.
Cause 10,000 damage with Explosives.
Install 20 weapon mods.
Hack 25 terminals.
Play the game from start to finish in Hardcore Mode.
Recruit all companions.
Play 10 spins of Slots.
Play 10 spins of Roulette.
Get banned from all the Strip's casinos.
Heal 10,000 points of damage with Stimpaks.
Discover 125 locations.
Reach 30th level.
Cause 10,000 damage with Unarmed weapons.
Play 10 hands of Blackjack.
Complete Return to Sender.
Complete The Legend of the Star.
Complete All or Nothing.
Complete The House Always Wins.
Complete Eureka!
Complete For the Republic.
Pick 50 pockets.
Cause 10,000 damage with Energy Weapons.
Complete Veni, Vidi, Vici.
Complete Render Unto Caesar.
Reach 20th level.
Complete Arizona Killer.
Sell 10,000 caps worth of goods.
Complete Talent Pool.
Complete That Lucky Old Sun.
Complete G.I. Blues.
Recruit any companion.
Discover 50 locations.
Complete No Gods, No Masters
Cause 10,000 damage with Melee Weapons.
Make 50 Speech challenges.
Complete Wild Card.
Complete You'll Know It When It Happens.
Complete Volare!
Discover all snow globes.
Cause 10,000 damage with Guns.
Repair 30 items.
Pick 25 locks.
Reached 10th level.
Complete Ring-a-Ding-Ding.
Complete They Went That-a-Way.
Complete Come Fly With Me.
Craft 20 items.
Win 3 games of Caravan.
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.
Complete the Sierra Madre Gala Event.
Recruit Dean Domino, Christine and Dog.
Collect 500 Sierra Madre Chips.
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.
Detonated all of the warheads in the Divide.
Found all of ED-E's upgrades 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.