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