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.
Heal 10,000 points of damage with Stimpaks.
Heal 10,000 points of damage with food.
Cause 10,000 damage with Unarmed weapons.
Discover 125 locations.
Cause 10,000 damage with Melee Weapons.
Install 20 weapon mods.
Play 10 spins of Roulette.
Play 10 hands of Blackjack.
Play 10 spins of Slots.
Reach 30th level.
Complete Return to Sender.
Cause 10,000 damage with Explosives.
Recruit all companions.
Hack 25 terminals.
Complete Volare!
Make 50 Speech challenges.
Cause 10,000 damage with Energy Weapons.
Complete G.I. Blues.
Reach 20th level.
Discover 50 locations.
Pick 25 locks.
Complete Come Fly With Me.
Complete That Lucky Old Sun.
Reached 10th level.
Sell 10,000 caps worth of goods.
Cause 10,000 damage with Guns.
Repair 30 items.
Complete They Went That-a-Way.
Complete Ring-a-Ding-Ding.
Recruit any companion.
Craft 20 items.
Complete Ain't That a Kick in the Head.
Discover all snow globes.
Pick 50 pockets.
Win 3 games of Caravan.
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.
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.
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.
Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.
Completed any three Gun Runners' Arsenal (GRA) one star (*) Challenges.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.
Caused 10,000 damage with unique Mojave Wasteland weapons.