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 Energy Weapons.
Repair 30 items.
Complete Come Fly With Me.
Play 10 spins of Slots.
Complete That Lucky Old Sun.
Hack 25 terminals.
Cause 10,000 damage with Melee Weapons.
Complete No Gods, No Masters
Complete Wild Card.
Recruit any companion.
Cause 10,000 damage with Unarmed weapons.
Pick 25 locks.
Complete Ring-a-Ding-Ding.
Complete They Went That-a-Way.
Sell 10,000 caps worth of goods.
Cause 10,000 damage with Guns.
Reached 10th level.
Complete Ain't That a Kick in the Head.
Reach 20th level.
Reach 30th level.
Recruit all companions.
Craft 20 items.
Install 20 weapon mods.
Discover 50 locations.
Discover 125 locations.
Discover all snow globes.
Cause 10,000 damage with Explosives.
Heal 10,000 points of damage with Stimpaks.
Pick 50 pockets.
Make 50 Speech challenges.
Heal 10,000 points of damage with food.
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 Talent Pool.
Complete Return to Sender.
Complete Arizona Killer.
Complete You'll Know It When It Happens.
Complete G.I. Blues.
Complete Volare!
Complete The Legend of the Star.
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.
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.
Reactivate all of the Sink's robotic assistants.
Search your feelings... for your heart.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Decided the fate of all the Divide dwellers.
Fully upgraded The Divide's signature weapon.
Found all of ED-E's upgrades in the Divide.
Completed Lonesome Road.
Detonated all of the warheads in the Divide.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.
Caused 10,000 damage with unique Mojave Wasteland 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.