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 Talent Pool.
Win 3 games of Caravan.
Pick 50 pockets.
Install 20 weapon mods.
Heal 10,000 points of damage with food.
Heal 10,000 points of damage with Stimpaks.
Cause 10,000 damage with Explosives.
Complete Volare!
Cause 10,000 damage with Energy Weapons.
Make 50 Speech challenges.
Complete Return to Sender.
Discover 125 locations.
Cause 10,000 damage with Unarmed weapons.
Reach 30th level.
Hack 25 terminals.
Complete Ring-a-Ding-Ding.
Sell 10,000 caps worth of goods.
Reach 20th level.
Cause 10,000 damage with Guns.
Discover 50 locations.
Cause 10,000 damage with Melee Weapons.
Complete G.I. Blues.
Play 10 spins of Slots.
Play 10 hands of Blackjack.
Play 10 spins of Roulette.
Pick 25 locks.
Reached 10th level.
Complete They Went That-a-Way.
Complete That Lucky Old Sun.
Recruit any companion.
Complete Come Fly With Me.
Repair 30 items.
Craft 20 items.
Complete Ain't That a Kick in the Head.
Recruit all companions.
Discover all snow globes.
Win 30 games of Caravan.
Get banned from all the Strip's casinos.
Play the game from start to finish in Hardcore Mode.
Complete The House Always Wins.
Complete For the Republic.
Complete Render Unto Caesar.
Complete Wild Card.
Complete All or Nothing.
Complete Veni, Vidi, Vici.
Complete Eureka!
Complete No Gods, No Masters
Complete Arizona Killer.
Complete You'll Know It When It Happens.
Complete The Legend of the Star.
Confront 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.
Trap Father Elijah in the Sierra Madre's Vault.
Crush the White Legs.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at Zion.
Evacuate Zion.
Complete Old World Blues.
Make up your mind... about your brain.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Search your feelings... for your heart.
Reactivate all of the Sink's robotic assistants.
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.
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.