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.
Craft 20 items.
Cause 10,000 damage with Guns.
Repair 30 items.
Discover 125 locations.
Win 30 games of Caravan.
Discover 50 locations.
Play 10 spins of Slots.
Complete Veni, Vidi, Vici.
Complete Arizona Killer.
Complete Render Unto Caesar.
Get banned from all the Strip's casinos.
Complete Eureka!
Complete You'll Know It When It Happens.
Complete For the Republic.
Make 50 Speech challenges.
Hack 25 terminals.
Complete Talent Pool.
Complete G.I. Blues.
Play the game from start to finish in Hardcore Mode.
Complete All or Nothing.
Reach 20th level.
Complete The House Always Wins.
Play 10 spins of Roulette.
Win 3 games of Caravan.
Play 10 hands of Blackjack.
Pick 50 pockets.
Pick 25 locks.
Reached 10th level.
Complete Ring-a-Ding-Ding.
Complete They Went That-a-Way.
Complete Come Fly With Me.
Complete That Lucky Old Sun.
Recruit any companion.
Complete Ain't That a Kick in the Head.
Reach 30th level.
Recruit all companions.
Discover all snow globes.
Sell 10,000 caps worth of goods.
Cause 10,000 damage with Energy Weapons.
Cause 10,000 damage with Explosives.
Heal 10,000 points of damage with Stimpaks.
Cause 10,000 damage with Melee Weapons.
Heal 10,000 points of damage with food.
Cause 10,000 damage with Unarmed weapons.
Complete Wild Card.
Complete No Gods, No Masters
Complete Return to Sender.
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.
Evacuate Zion.
Scout the Zion Valley for signs of the White Legs.
Crush the White Legs.
Arrive at Zion.
Resupply Daniel and the Sorrows.
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.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
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.
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.