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 Talent Pool.
Cause 10,000 damage with Explosives.
Discover 125 locations.
Repair 30 items.
Complete G.I. Blues.
Reach 30th level.
Heal 10,000 points of damage with Stimpaks.
Pick 25 locks.
Complete Volare!
Cause 10,000 damage with Melee Weapons.
Make 50 Speech challenges.
Cause 10,000 damage with Energy Weapons.
Cause 10,000 damage with Guns.
Reach 20th level.
Complete Come Fly With Me.
Cause 10,000 damage with Unarmed weapons.
Complete Wild Card.
Discover all snow globes.
Sell 10,000 caps worth of goods.
Craft 20 items.
Recruit any companion.
Complete That Lucky Old Sun.
Complete Ring-a-Ding-Ding.
Play 10 spins of Roulette.
Play 10 hands of Blackjack.
Play 10 spins of Slots.
Discover 50 locations.
Reached 10th level.
Complete They Went That-a-Way.
Complete Ain't That a Kick in the Head.
Recruit all companions.
Install 20 weapon mods.
Hack 25 terminals.
Pick 50 pockets.
Heal 10,000 points of damage with food.
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 The House Always Wins.
Complete For the Republic.
Complete Render Unto Caesar.
Complete All or Nothing.
Complete Veni, Vidi, Vici.
Complete Eureka!
Complete No Gods, No Masters
Complete Return to Sender.
Complete Arizona Killer.
Complete You'll Know It When It Happens.
Complete The Legend of the Star.
Trap Father Elijah in the Sierra Madre's Vault.
Confront Father Elijah in the Sierra Madre's Vault.
Collect 500 Sierra Madre Chips.
Complete the Sierra Madre Gala Event.
Recruit Dean Domino, Christine and Dog.
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.
Search your feelings... for your heart.
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Reactivate all of the Sink's robotic assistants.
Detonated all of the warheads in the Divide.
Completed Lonesome Road.
Fully upgraded The Divide's signature weapon.
Found all of ED-E's upgrades in the Divide.
Decided the fate of all the Divide dwellers.
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.