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.
Hack 25 terminals.
Complete Come Fly With Me.
Heal 10,000 points of damage with Stimpaks.
Cause 10,000 damage with Melee Weapons.
Craft 20 items.
Complete Ring-a-Ding-Ding.
Complete The Legend of the Star.
Discover all snow globes.
Recruit all companions.
Reach 30th level.
Make 50 Speech challenges.
Discover 125 locations.
Complete Return to Sender.
Complete They Went That-a-Way.
Discover 50 locations.
Complete That Lucky Old Sun.
Cause 10,000 damage with Guns.
Reached 10th level.
Sell 10,000 caps worth of goods.
Repair 30 items.
Complete G.I. Blues.
Pick 25 locks.
Reach 20th level.
Complete Volare!
Recruit any companion.
Complete Ain't That a Kick in the Head.
Cause 10,000 damage with Energy Weapons.
Cause 10,000 damage with Explosives.
Pick 50 pockets.
Heal 10,000 points of damage with food.
Cause 10,000 damage with Unarmed weapons.
Win 3 games of Caravan.
Play 10 spins of Slots.
Play 10 spins of Roulette.
Play 10 hands of Blackjack.
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 House Always Wins.
Complete For the Republic.
Complete Render Unto Caesar.
Complete Wild Card.
Complete All or Nothing.
Complete Veni, Vidi, Vici.
Complete Eureka!
Complete No Gods, No Masters
Complete Talent Pool.
Complete Arizona Killer.
Complete You'll Know It When It Happens.
Complete the Sierra Madre Gala Event.
Collect 500 Sierra Madre Chips.
Recruit Dean Domino, Christine and Dog.
Confront Father Elijah in the Sierra Madre's Vault.
Trap Father Elijah in the Sierra Madre's Vault.
Resupply Daniel and the Sorrows.
Arrive at Zion.
Evacuate Zion.
Scout the Zion Valley for signs of the White Legs.
Crush the White Legs.
Reactivate all of the Sink's robotic assistants.
Search your feelings... for your heart.
Make up your mind... about your brain.
Complete Old World Blues.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Fully upgraded The Divide's signature weapon.
Decided the fate of all the Divide dwellers.
Found all of ED-E's upgrades in the Divide.
Completed Lonesome Road.
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.