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.
Heal 10,000 points of damage with Stimpaks.
Discover 125 locations.
Play 10 spins of Slots.
Reach 30th level.
Cause 10,000 damage with Energy Weapons.
Complete No Gods, No Masters
Complete Wild Card.
Complete You'll Know It When It Happens.
Discover all snow globes.
Cause 10,000 damage with Guns.
Complete Volare!
Complete That Lucky Old Sun.
Reach 20th level.
Make 50 Speech challenges.
Complete Talent Pool.
Complete Ring-a-Ding-Ding.
Discover 50 locations.
Complete G.I. Blues.
Pick 25 locks.
Recruit any companion.
Sell 10,000 caps worth of goods.
Craft 20 items.
Reached 10th level.
Complete Come Fly With Me.
Complete They Went That-a-Way.
Repair 30 items.
Complete Ain't That a Kick in the Head.
Recruit all companions.
Install 20 weapon mods.
Cause 10,000 damage with Explosives.
Cause 10,000 damage with Melee Weapons.
Hack 25 terminals.
Pick 50 pockets.
Heal 10,000 points of damage with food.
Cause 10,000 damage with Unarmed weapons.
Win 3 games of Caravan.
Play 10 spins of Roulette.
Play 10 hands of Blackjack.
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 All or Nothing.
Complete Veni, Vidi, Vici.
Complete Eureka!
Complete Return to Sender.
Complete Arizona Killer.
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.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at Zion.
Crush the White Legs.
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.
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.