Full list of all 75 Fallout: New Vegas achievements worth 1,655 gamerscore. It takes around 60-80 hours to unlock all of the achievements in the base game.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 5 DLC packs containing 25 achievements worth 655 Gamerscore.
Played the game from start to finish in Hardcore Mode.
Reached 10th level.
Reached 20th level.
Reached 30th level.
Recruited a companion.
Crafted 20 items.
Discovered 50 locations.
You Discovered 125 locations.
Sold 10,000 caps worth of goods.
Caused 10,000 damage with Energy Weapons.
Caused 10,000 damage with Guns.
Picked 25 locks.
Healed 10,000 points of damage with Stimpaks.
Played 10 spins of Slots.
Played 10 spins of Roulette.
Played 10 hands of Blackjack.
Completed Ain't That a Kick in the Head.
Completed They Went That-a-Way.
Completed Ring-a-Ding-Ding.
Completed The House Always Wins.
Completed All or Nothing.
Completed Come Fly With Me.
Completed G.I. Blues.
Completed That Lucky Old Sun.
Completed Volare!
Completed No Gods, No Masters.
Completed Wild Card.
Completed Eureka!
Completed For the Republic.
Completed You'll Know It When It Happens.
Completed Veni, Vidi, Vici.
Completed Render Unto Caesar.
Healed 10,000 points of damage with food.
Completed Arizona Killer.
Caused 10,000 damage with Explosives.
Caused 10,000 damage with Unarmed weapons.
Caused 10,000 damage with Melee Weapons.
Installed 20 weapon mods.
Hacked 25 terminals.
Got banned from all the Strip's casinos.
Completed The Legend of the Star.
Picked 50 pockets.
Discovered all snow globes.
Recruited all companions.
Completed Talent Pool.
Completed Return to Sender.
Made 50 Speech challenges.
Repaired 30 items.
Won 30 games of Caravan.
Won 3 games of Caravan.
Trapped Father Elijah in the Sierra Madre's Vault.
Confronted Father Elijah in the Sierra Madre's Vault.
Completed the Sierra Madre Gala Event.
Recruited Dean Domino, Christine and Dog.
Collected 500 Sierra Madre Chips.
Crushed the White Legs.
Evacuated Zion.
Scouted the Zion Valley for signs of the White Legs.
Resupplied Daniel and the Sorrows.
Arrived at Zion.
Completed Old World Blues.
Made up your mind... about your brain.
Reactivated all of the Sink's robotic assistants.
Recovered X-13 cardiac regulator sneaky suit!
Recovered X-8 vertebrae-pulse-de-sensitizer frequency!
Find all of ED-E's upgrades in the Divide.
Decide the fate of all the Divide dwellers.
Complete Lonesome Road.
Acquire all upgrades for the Divide's signature weapon.
Detonate all of the warheads in the Divide.
Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.
Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.
Caused 10,000 damage with unique Mojave Wasteland weapons.
Completed any three Gun Runners' Arsenal (GRA) one star (*) Challenges.
Caused 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.