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