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