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.
Recruit all companions.
Cause 10,000 damage with Unarmed weapons.
Install 20 weapon mods.
Cause 10,000 damage with Melee Weapons.
Complete The Legend of the Star.
Complete No Gods, No Masters
Complete Wild Card.
Complete You'll Know It When It Happens.
Hack 25 terminals.
Heal 10,000 points of damage with Stimpaks.
Discover 125 locations.
Reach 30th level.
Cause 10,000 damage with Energy Weapons.
Pick 25 locks.
Craft 20 items.
Complete That Lucky Old Sun.
Reach 20th level.
Play 10 hands of Blackjack.
Complete Talent Pool.
Complete Volare!
Make 50 Speech challenges.
Complete Ring-a-Ding-Ding.
Discover 50 locations.
Sell 10,000 caps worth of goods.
Complete G.I. Blues.
Cause 10,000 damage with Guns.
Reached 10th level.
Repair 30 items.
Complete They Went That-a-Way.
Complete Come Fly With Me.
Recruit any companion.
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 Slots.
Play 10 spins of Roulette.
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 Return to Sender.
Complete Arizona Killer.
Confront Father Elijah in the Sierra Madre's Vault.
Complete the Sierra Madre Gala Event.
Recruit Dean Domino, Christine and Dog.
Collect 500 Sierra Madre Chips.
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.
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.
Completed Lonesome Road.
Decided the fate of all the Divide dwellers.
Fully upgraded The Divide's signature weapon.
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.