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 All or Nothing.
Reach 20th level.
Complete The House Always Wins.
Complete No Gods, No Masters
Complete Wild Card.
Cause 10,000 damage with Explosives.
Cause 10,000 damage with Energy Weapons.
Reach 30th level.
Cause 10,000 damage with Melee Weapons.
Discover 125 locations.
Complete Eureka!
Make 50 Speech challenges.
Complete For the Republic.
Recruit all companions.
Complete You'll Know It When It Happens.
Cause 10,000 damage with Guns.
Pick 25 locks.
Sell 10,000 caps worth of goods.
Complete Talent Pool.
Complete Volare!
Discover 50 locations.
Discover all snow globes.
Complete That Lucky Old Sun.
Complete Return to Sender.
Craft 20 items.
Reached 10th level.
Repair 30 items.
Complete G.I. Blues.
Play 10 spins of Roulette.
Play 10 hands of Blackjack.
Play 10 spins of Slots.
Complete Ring-a-Ding-Ding.
Recruit any companion.
Complete They Went That-a-Way.
Complete Come Fly With Me.
Complete Ain't That a Kick in the Head.
Install 20 weapon mods.
Heal 10,000 points of damage with Stimpaks.
Hack 25 terminals.
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.
Get banned from all the Strip's casinos.
Play the game from start to finish in Hardcore Mode.
Complete Render Unto Caesar.
Complete Veni, Vidi, Vici.
Complete Arizona Killer.
Complete The Legend of the Star.
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.
Crush the White Legs.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at 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!
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.
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.