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.
Pick 25 locks.
Craft 20 items.
Cause 10,000 damage with Energy Weapons.
Complete Volare!
Complete That Lucky Old Sun.
Complete Return to Sender.
Discover 50 locations.
Recruit all companions.
Reach 20th level.
Complete Talent Pool.
Cause 10,000 damage with Guns.
Complete G.I. Blues.
Get banned from all the Strip's casinos.
Recruit any companion.
Complete Come Fly With Me.
Sell 10,000 caps worth of goods.
Reached 10th level.
Make 50 Speech challenges.
Win 30 games of Caravan.
Play 10 hands of Blackjack.
Complete Ring-a-Ding-Ding.
Complete They Went That-a-Way.
Win 3 games of Caravan.
Play 10 spins of Roulette.
Play 10 spins of Slots.
Complete Ain't That a Kick in the Head.
Reach 30th level.
Install 20 weapon mods.
Discover 125 locations.
Discover all snow globes.
Cause 10,000 damage with Explosives.
Heal 10,000 points of damage with Stimpaks.
Cause 10,000 damage with Melee Weapons.
Repair 30 items.
Hack 25 terminals.
Pick 50 pockets.
Heal 10,000 points of damage with food.
Cause 10,000 damage with Unarmed weapons.
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 Arizona Killer.
Complete You'll Know It When It Happens.
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.
Scout the Zion Valley for signs of the White Legs.
Crush the White Legs.
Arrive at Zion.
Resupply Daniel and the Sorrows.
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.