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 G.I. Blues.
Cause 10,000 damage with Energy Weapons.
Heal 10,000 points of damage with Stimpaks.
Complete No Gods, No Masters
Make 50 Speech challenges.
Complete Wild Card.
Reach 30th level.
Complete You'll Know It When It Happens.
Complete The Legend of the Star.
Cause 10,000 damage with Explosives.
Reach 20th level.
Pick 25 locks.
Discover 50 locations.
Complete Volare!
Cause 10,000 damage with Guns.
Complete Talent Pool.
Sell 10,000 caps worth of goods.
Play 10 hands of Blackjack.
Complete Ring-a-Ding-Ding.
Play 10 spins of Slots.
Reached 10th level.
Complete That Lucky Old Sun.
Craft 20 items.
Complete They Went That-a-Way.
Recruit any companion.
Complete Come Fly With Me.
Repair 30 items.
Complete Ain't That a Kick in the Head.
Recruit all companions.
Install 20 weapon mods.
Discover 125 locations.
Discover all snow globes.
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.
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.
Scout the Zion Valley for signs of the White Legs.
Arrive at Zion.
Evacuate Zion.
Crush the White Legs.
Resupply Daniel and the Sorrows.
Complete Old World Blues.
Make up your mind... about your brain.
Search your feelings... for your heart.
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.
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.