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