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