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 The Legend of the Star.
Cause 10,000 damage with Unarmed weapons.
Heal 10,000 points of damage with Stimpaks.
Install 20 weapon mods.
Reach 30th level.
Get banned from all the Strip's casinos.
Cause 10,000 damage with Explosives.
Complete Return to Sender.
Win 3 games of Caravan.
Hack 25 terminals.
Discover 125 locations.
Cause 10,000 damage with Energy Weapons.
Cause 10,000 damage with Melee Weapons.
Play the game from start to finish in Hardcore Mode.
Complete No Gods, No Masters
Complete Wild Card.
Complete You'll Know It When It Happens.
Complete Volare!
Make 50 Speech challenges.
Reach 20th level.
Pick 25 locks.
Discover 50 locations.
Complete Talent Pool.
Cause 10,000 damage with Guns.
Complete G.I. Blues.
Sell 10,000 caps worth of goods.
Play 10 spins of Slots.
Play 10 spins of Roulette.
Reached 10th level.
Complete Ring-a-Ding-Ding.
Complete They Went That-a-Way.
Play 10 hands of Blackjack.
Recruit any companion.
Complete That Lucky Old Sun.
Repair 30 items.
Craft 20 items.
Complete Ain't That a Kick in the Head.
Recruit all companions.
Discover all snow globes.
Pick 50 pockets.
Heal 10,000 points of damage with food.
Win 30 games of Caravan.
Complete The House Always Wins.
Complete For the Republic.
Complete Render Unto Caesar.
Complete All or Nothing.
Complete Veni, Vidi, Vici.
Complete Eureka!
Complete Come Fly With Me.
Complete Arizona Killer.
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.
Reactivate all of the Sink's robotic assistants.
Complete Old World Blues.
Make up your mind... about your brain.
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.
Fully upgraded The Divide's signature weapon.
Found all of ED-E's upgrades in the Divide.
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.