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 Eureka!
Complete For the Republic.
Complete You'll Know It When It Happens.
Discover all snow globes.
Recruit all companions.
Hack 25 terminals.
Complete Volare!
Install 20 weapon mods.
Discover 125 locations.
Cause 10,000 damage with Explosives.
Heal 10,000 points of damage with food.
Heal 10,000 points of damage with Stimpaks.
Complete Return to Sender.
Complete G.I. Blues.
Reach 30th level.
Make 50 Speech challenges.
Cause 10,000 damage with Energy Weapons.
Craft 20 items.
Reach 20th level.
Discover 50 locations.
Complete Ring-a-Ding-Ding.
Pick 25 locks.
Get banned from all the Strip's casinos.
Play 10 spins of Slots.
Play 10 spins of Roulette.
Cause 10,000 damage with Guns.
Play 10 hands of Blackjack.
Sell 10,000 caps worth of goods.
Reached 10th level.
Complete They Went That-a-Way.
Complete That Lucky Old Sun.
Complete Come Fly With Me.
Recruit any companion.
Win 3 games of Caravan.
Repair 30 items.
Complete Ain't That a Kick in the Head.
Cause 10,000 damage with Melee Weapons.
Pick 50 pockets.
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 Render Unto Caesar.
Complete Wild Card.
Complete All or Nothing.
Complete Veni, Vidi, Vici.
Complete No Gods, No Masters
Complete Talent Pool.
Complete Arizona Killer.
Complete The Legend of the Star.
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.
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.
Detonated all of the warheads in the Divide.
Completed Lonesome Road.
Fully upgraded The Divide's signature weapon.
Decided the fate of all the Divide dwellers.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.
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) three star (***) Challenges.