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 Energy Weapons.
Recruit all companions.
Install 20 weapon mods.
Cause 10,000 damage with Unarmed weapons.
Complete All or Nothing.
Complete The House Always Wins.
Complete Veni, Vidi, Vici.
Complete Render Unto Caesar.
Complete Arizona Killer.
Heal 10,000 points of damage with Stimpaks.
Complete The Legend of the Star.
Hack 25 terminals.
Discover 125 locations.
Reach 30th level.
Play the game from start to finish in Hardcore Mode.
Complete Eureka!
Complete For the Republic.
Complete You'll Know It When It Happens.
Cause 10,000 damage with Melee Weapons.
Play 10 spins of Slots.
Play 10 hands of Blackjack.
Complete That Lucky Old Sun.
Complete Talent Pool.
Complete Return to Sender.
Reach 20th level.
Make 50 Speech challenges.
Complete G.I. Blues.
Sell 10,000 caps worth of goods.
Repair 30 items.
Discover 50 locations.
Cause 10,000 damage with Guns.
Pick 25 locks.
Complete Volare!
Reached 10th level.
Complete No Gods, No Masters
Complete Wild Card.
Complete Ring-a-Ding-Ding.
Complete They Went That-a-Way.
Recruit any companion.
Complete Come Fly With Me.
Craft 20 items.
Complete Ain't That a Kick in the Head.
Discover all snow globes.
Cause 10,000 damage with Explosives.
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.
Trap Father Elijah in the Sierra Madre's Vault.
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.
Evacuate Zion.
Scout the Zion Valley for signs of the White Legs.
Resupply Daniel and the Sorrows.
Arrive at Zion.
Crush the White Legs.
Complete Old World Blues.
Make up your mind... about your brain.
Search your feelings... for your heart.
Reactivate all of the Sink's robotic assistants.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Found all of ED-E's upgrades in the Divide.
Fully upgraded The Divide's signature weapon.
Completed Lonesome Road.
Decided the fate of all the Divide dwellers.
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.