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.
Recruit all companions.
Discover 125 locations.
Discover all snow globes.
Cause 10,000 damage with Explosives.
Pick 25 locks.
Heal 10,000 points of damage with Stimpaks.
Hack 25 terminals.
Pick 50 pockets.
Make 50 Speech challenges.
Heal 10,000 points of damage with food.
Win 3 games of Caravan.
Play 10 spins of Roulette.
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 Come Fly With Me.
Complete Arizona Killer.
Install 20 weapon mods.
Cause 10,000 damage with Unarmed weapons.
Complete Talent Pool.
Complete No Gods, No Masters
Complete Wild Card.
Complete You'll Know It When It Happens.
Complete Return to Sender.
Complete G.I. Blues.
Reach 30th level.
Cause 10,000 damage with Melee Weapons.
Get banned from all the Strip's casinos.
Play 10 spins of Slots.
Complete Volare!
Cause 10,000 damage with Guns.
Complete Ring-a-Ding-Ding.
Cause 10,000 damage with Energy Weapons.
Reach 20th level.
Repair 30 items.
Complete The Legend of the Star.
Discover 50 locations.
Complete That Lucky Old Sun.
Sell 10,000 caps worth of goods.
Complete They Went That-a-Way.
Reached 10th level.
Craft 20 items.
Play 10 hands of Blackjack.
Recruit any companion.
Complete Ain't That a Kick in the Head.
Recruit Dean Domino, Christine and Dog.
Confront Father Elijah in the Sierra Madre's Vault.
Complete the Sierra Madre Gala Event.
Trap Father Elijah in the Sierra Madre's Vault.
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.
Search your feelings... for your heart.
Make up your mind... about your brain.
Complete Old World Blues.
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.
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.
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.
Caused 10,000 damage with unique Mojave Wasteland weapons.