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 Explosives.
Complete All or Nothing.
Complete The House Always Wins.
Complete You'll Know It When It Happens.
Complete G.I. Blues.
Hack 25 terminals.
Cause 10,000 damage with Unarmed weapons.
Reach 30th level.
Discover 125 locations.
Complete That Lucky Old Sun.
Complete Volare!
Discover 50 locations.
Cause 10,000 damage with Guns.
Install 20 weapon mods.
Heal 10,000 points of damage with food.
Heal 10,000 points of damage with Stimpaks.
Complete Eureka!
Make 50 Speech challenges.
Reach 20th level.
Recruit any companion.
Cause 10,000 damage with Energy Weapons.
Pick 25 locks.
Reached 10th level.
Sell 10,000 caps worth of goods.
Play 10 spins of Slots.
Complete They Went That-a-Way.
Complete Ring-a-Ding-Ding.
Complete Come Fly With Me.
Repair 30 items.
Craft 20 items.
Complete Ain't That a Kick in the Head.
Recruit all companions.
Discover all snow globes.
Cause 10,000 damage with Melee Weapons.
Pick 50 pockets.
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 For the Republic.
Complete Render Unto Caesar.
Complete Wild Card.
Complete Veni, Vidi, Vici.
Complete No Gods, No Masters
Complete Talent Pool.
Complete Return to Sender.
Complete Arizona Killer.
Complete The Legend of the Star.
Collect 500 Sierra Madre Chips.
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.
Evacuate Zion.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at Zion.
Crush the White Legs.
Reactivate all of the Sink's robotic assistants.
Complete Old World Blues.
Make up your mind... about your brain.
Search your feelings... for your heart.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Completed Lonesome Road.
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.
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.