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.
Install 20 weapon mods.
Discover all snow globes.
Complete The Legend of the Star.
Complete Talent Pool.
Heal 10,000 points of damage with Stimpaks.
Play the game from start to finish in Hardcore Mode.
Complete Wild Card.
Complete No Gods, No Masters
Complete You'll Know It When It Happens.
Recruit all companions.
Complete G.I. Blues.
Heal 10,000 points of damage with food.
Cause 10,000 damage with Explosives.
Cause 10,000 damage with Energy Weapons.
Cause 10,000 damage with Unarmed weapons.
Cause 10,000 damage with Melee Weapons.
Make 50 Speech challenges.
Hack 25 terminals.
Reach 30th level.
Discover 125 locations.
Pick 25 locks.
Complete Return to Sender.
Complete Volare!
Sell 10,000 caps worth of goods.
Reach 20th level.
Complete That Lucky Old Sun.
Play 10 spins of Slots.
Play 10 spins of Roulette.
Play 10 hands of Blackjack.
Complete Ring-a-Ding-Ding.
Discover 50 locations.
Win 3 games of Caravan.
Reached 10th level.
Complete They Went That-a-Way.
Recruit any companion.
Cause 10,000 damage with Guns.
Complete Come Fly With Me.
Craft 20 items.
Repair 30 items.
Complete Ain't That a Kick in the Head.
Pick 50 pockets.
Win 30 games of Caravan.
Get banned from all the Strip's casinos.
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.
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.
Crush the White Legs.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at Zion.
Evacuate Zion.
Make up your mind... about your brain.
Complete Old World Blues.
Search your feelings... for your heart.
Reactivate all of the Sink's robotic assistants.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Detonated all of the warheads in the Divide.
Completed Lonesome Road.
Fully upgraded The Divide's signature weapon.
Found all of ED-E's upgrades in the Divide.
Decided the fate of all the Divide dwellers.
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.