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.
Hack 25 terminals.
Heal 10,000 points of damage with Stimpaks.
Cause 10,000 damage with Energy Weapons.
Complete No Gods, No Masters
Reach 30th level.
Discover all snow globes.
Complete The Legend of the Star.
Cause 10,000 damage with Unarmed weapons.
Discover 125 locations.
Recruit all companions.
Complete Return to Sender.
Complete Talent Pool.
Complete G.I. Blues.
Complete Wild Card.
Complete You'll Know It When It Happens.
Make 50 Speech challenges.
Reach 20th level.
Play 10 spins of Roulette.
Play 10 spins of Slots.
Play 10 hands of Blackjack.
Complete Volare!
Discover 50 locations.
Sell 10,000 caps worth of goods.
Repair 30 items.
Complete Ring-a-Ding-Ding.
Pick 25 locks.
Cause 10,000 damage with Guns.
Reached 10th level.
Complete They Went That-a-Way.
Complete That Lucky Old Sun.
Complete Come Fly With Me.
Recruit any companion.
Craft 20 items.
Complete Ain't That a Kick in the Head.
Install 20 weapon mods.
Cause 10,000 damage with Explosives.
Cause 10,000 damage with Melee Weapons.
Pick 50 pockets.
Heal 10,000 points of damage with food.
Win 3 games of Caravan.
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 Arizona Killer.
Trap 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.
Confront 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.
Evacuate Zion.
Arrive at 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.
Found all of ED-E's upgrades in the Divide.
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.