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.
Cause 10,000 damage with Melee Weapons.
Discover 125 locations.
Complete Return to Sender.
Discover all snow globes.
Recruit all companions.
Win 3 games of Caravan.
Complete No Gods, No Masters
Complete Wild Card.
Install 20 weapon mods.
Complete All or Nothing.
Make 50 Speech challenges.
Complete The House Always Wins.
Cause 10,000 damage with Unarmed weapons.
Complete You'll Know It When It Happens.
Complete Volare!
Cause 10,000 damage with Energy Weapons.
Cause 10,000 damage with Guns.
Reach 30th level.
Reach 20th level.
Pick 25 locks.
Sell 10,000 caps worth of goods.
Play 10 spins of Slots.
Complete G.I. Blues.
Play 10 spins of Roulette.
Play the game from start to finish in Hardcore Mode.
Complete Veni, Vidi, Vici.
Complete Render Unto Caesar.
Complete Arizona Killer.
Discover 50 locations.
Complete Ring-a-Ding-Ding.
Reached 10th level.
Play 10 hands of Blackjack.
Complete That Lucky Old Sun.
Complete They Went That-a-Way.
Complete Come Fly With Me.
Craft 20 items.
Recruit any companion.
Repair 30 items.
Complete Ain't That a Kick in the Head.
Cause 10,000 damage with Explosives.
Heal 10,000 points of damage with Stimpaks.
Hack 25 terminals.
Pick 50 pockets.
Heal 10,000 points of damage with food.
Win 30 games of Caravan.
Get banned from all the Strip's casinos.
Complete For the Republic.
Complete Eureka!
Complete Talent Pool.
Complete The Legend of the Star.
Recruit Dean Domino, Christine and Dog.
Collect 500 Sierra Madre Chips.
Confront Father Elijah in the Sierra Madre's Vault.
Complete the Sierra Madre Gala Event.
Trap Father Elijah in the Sierra Madre's Vault.
Crush the White Legs.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at Zion.
Evacuate Zion.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Search your feelings... for your heart.
Reactivate all of the Sink's robotic assistants.
Make up your mind... about your brain.
Complete Old World Blues.
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) three star (***) Challenges.
Completed any three Gun Runners' Arsenal (GRA) one star (*) Challenges.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.
Caused 10,000 damage with unique Mojave Wasteland weapons.