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.
Heal 10,000 points of damage with food.
Recruit all companions.
Complete G.I. Blues.
Discover all snow globes.
Pick 50 pockets.
Win 30 games of Caravan.
Win 3 games of Caravan.
Install 20 weapon mods.
Reach 30th level.
Cause 10,000 damage with Energy Weapons.
Cause 10,000 damage with Melee Weapons.
Discover 125 locations.
Hack 25 terminals.
Get banned from all the Strip's casinos.
Make 50 Speech challenges.
Play 10 spins of Roulette.
Play 10 spins of Slots.
Play 10 hands of Blackjack.
Complete Return to Sender.
Complete Talent Pool.
Heal 10,000 points of damage with Stimpaks.
Play the game from start to finish in Hardcore Mode.
Cause 10,000 damage with Explosives.
Pick 25 locks.
Complete Come Fly With Me.
Discover 50 locations.
Complete That Lucky Old Sun.
Complete They Went That-a-Way.
Craft 20 items.
Reached 10th level.
Sell 10,000 caps worth of goods.
Complete Ring-a-Ding-Ding.
Recruit any companion.
Repair 30 items.
Complete The Legend of the Star.
Complete Volare!
Complete Ain't That a Kick in the Head.
Complete No Gods, No Masters
Complete Wild Card.
Complete Eureka!
Cause 10,000 damage with Guns.
Reach 20th level.
Complete For the Republic.
Complete You'll Know It When It Happens.
Complete All or Nothing.
Complete The House Always Wins.
Complete Veni, Vidi, Vici.
Complete Render Unto Caesar.
Complete Arizona Killer.
Cause 10,000 damage with Unarmed weapons.
Confront Father Elijah in the Sierra Madre's Vault.
Trap Father Elijah in the Sierra Madre's Vault.
Complete the Sierra Madre Gala Event.
Collect 500 Sierra Madre Chips.
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.
Make up your mind... about your brain.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Search your feelings... for your heart.
Reactivate all of the Sink's robotic assistants.
Complete Old World Blues.
Completed Lonesome Road.
Detonated all of the warheads in the Divide.
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.
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) three star (***) Challenges.
Completed any three Gun Runners' Arsenal (GRA) one star (*) Challenges.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.