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