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.
Complete Eureka!
Complete For the Republic.
Discover 125 locations.
Complete Veni, Vidi, Vici.
Complete Render Unto Caesar.
Complete Arizona Killer.
Complete All or Nothing.
Complete The House Always Wins.
Hack 25 terminals.
Play the game from start to finish in Hardcore Mode.
Complete No Gods, No Masters
Complete The Legend of the Star.
Install 20 weapon mods.
Pick 50 pockets.
Discover all snow globes.
Win 30 games of Caravan.
Win 3 games of Caravan.
Reach 30th level.
Recruit all companions.
Get banned from all the Strip's casinos.
Play 10 spins of Roulette.
Play 10 spins of Slots.
Play 10 hands of Blackjack.
Complete Talent Pool.
Cause 10,000 damage with Unarmed weapons.
Heal 10,000 points of damage with food.
Cause 10,000 damage with Melee Weapons.
Cause 10,000 damage with Energy Weapons.
Cause 10,000 damage with Explosives.
Repair 30 items.
Complete Wild Card.
Complete You'll Know It When It Happens.
Complete Return to Sender.
Complete Volare!
Make 50 Speech challenges.
Reach 20th level.
Heal 10,000 points of damage with Stimpaks.
Complete Ring-a-Ding-Ding.
Discover 50 locations.
Complete G.I. Blues.
Sell 10,000 caps worth of goods.
Complete They Went That-a-Way.
Reached 10th level.
Cause 10,000 damage with Guns.
Complete That Lucky Old Sun.
Complete Come Fly With Me.
Pick 25 locks.
Recruit any companion.
Craft 20 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.
Recruit Dean Domino, Christine and Dog.
Complete the Sierra Madre Gala Event.
Collect 500 Sierra Madre Chips.
Evacuate Zion.
Crush the White Legs.
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.
Reactivate all of the Sink's robotic assistants.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Detonated all of the warheads in the Divide.
Completed Lonesome Road.
Found all of ED-E's upgrades in the Divide.
Fully upgraded The Divide's signature weapon.
Decided the fate of all the Divide dwellers.
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.