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.
Win 3 games of Caravan.
Install 20 weapon mods.
Hack 25 terminals.
Reach 30th level.
Pick 25 locks.
Cause 10,000 damage with Unarmed weapons.
Cause 10,000 damage with Guns.
Cause 10,000 damage with Explosives.
Heal 10,000 points of damage with food.
Heal 10,000 points of damage with Stimpaks.
Complete Eureka!
Complete For the Republic.
Complete Veni, Vidi, Vici.
Cause 10,000 damage with Melee Weapons.
Complete Render Unto Caesar.
Complete Arizona Killer.
Complete No Gods, No Masters
Complete Wild Card.
Play the game from start to finish in Hardcore Mode.
Complete All or Nothing.
Complete The House Always Wins.
Complete You'll Know It When It Happens.
Recruit all companions.
Reach 20th level.
Complete The Legend of the Star.
Discover 125 locations.
Cause 10,000 damage with Energy Weapons.
Complete Volare!
Complete That Lucky Old Sun.
Complete Return to Sender.
Complete Talent Pool.
Make 50 Speech challenges.
Pick 50 pockets.
Win 30 games of Caravan.
Sell 10,000 caps worth of goods.
Discover all snow globes.
Get banned from all the Strip's casinos.
Play 10 spins of Roulette.
Play 10 spins of Slots.
Complete Ring-a-Ding-Ding.
Complete G.I. Blues.
Reached 10th level.
Play 10 hands of Blackjack.
Complete They Went That-a-Way.
Complete Come Fly With Me.
Craft 20 items.
Discover 50 locations.
Recruit any companion.
Repair 30 items.
Complete Ain't That a Kick in the Head.
Trap Father Elijah in the Sierra Madre's Vault.
Confront Father Elijah in the Sierra Madre's Vault.
Collect 500 Sierra Madre Chips.
Complete the Sierra Madre Gala Event.
Recruit Dean Domino, Christine and Dog.
Crush the White Legs.
Evacuate Zion.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at Zion.
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!
Reactivate all of the Sink's robotic assistants.
Detonated all of the warheads in the Divide.
Completed Lonesome Road.
Found all of ED-E's upgrades in the Divide.
Decided the fate of all the Divide dwellers.
Fully upgraded The Divide's signature weapon.
Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.
Completed any three Gun Runners' Arsenal (GRA) one star (*) Challenges.
Caused 10,000 damage with unique Mojave Wasteland weapons.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.