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.
Cause 10,000 damage with Melee Weapons.
Complete All or Nothing.
Complete The House Always Wins.
Win 30 games of Caravan.
Complete Eureka!
Complete For the Republic.
Play 10 spins of Roulette.
Install 20 weapon mods.
Hack 25 terminals.
Play 10 hands of Blackjack.
Cause 10,000 damage with Explosives.
Discover 125 locations.
Cause 10,000 damage with Energy Weapons.
Reach 30th level.
Complete Return to Sender.
Recruit all companions.
Complete G.I. Blues.
Discover all snow globes.
Play 10 spins of Slots.
Win 3 games of Caravan.
Complete No Gods, No Masters
Complete Wild Card.
Complete You'll Know It When It Happens.
Complete That Lucky Old Sun.
Craft 20 items.
Reached 10th level.
Complete Come Fly With Me.
Sell 10,000 caps worth of goods.
Repair 30 items.
Pick 25 locks.
Reach 20th level.
Make 50 Speech challenges.
Cause 10,000 damage with Guns.
Complete Talent Pool.
Complete Ring-a-Ding-Ding.
Complete Volare!
Discover 50 locations.
Complete They Went That-a-Way.
Complete Ain't That a Kick in the Head.
Recruit any companion.
Heal 10,000 points of damage with Stimpaks.
Pick 50 pockets.
Heal 10,000 points of damage with food.
Cause 10,000 damage with Unarmed weapons.
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.
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.
Evacuate Zion.
Crush the White Legs.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at 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!
Fully upgraded The Divide's signature weapon.
Completed Lonesome Road.
Decided the fate of all the Divide dwellers.
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.