Full list of all 75 Borderlands 2 achievements. It takes around 150-200 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.
Killed 100 enemies with the Sabre turret.
Completed all side missions.
Discovered all named locations in Three Horns, Tundra Express, and Frostburn Canyon.
Discovered all named locations.
Discovered all named locations in Eridium Blight, Arid Nexus, and Sawtooth Cauldron.
Revived someone from "Fight for Your Life!" that is on your friends list.
Gunzerked continuously for 90 seconds.
Had Purple-rated gear or better equipped in every slot.
Allowed a goliath to level up four times before killing him.
Reached level 50.
Killed a flying enemy with a thrown Tediore weapon.
Completed Round 5 of any Circle of Slaughter.
Killed Donkey Mong.
Discovered all named locations in The Highlands, Thousand Cuts, and Wildlife Exploitation Preserve.
Discovered all named locations in Sanctuary, Opportunity, and Lynchwood.
Reached level 25.
Gave Claptrap a high five.
Phaselocked 100 enemies.
Tipped Moxxi $10,000.
Completed 20 side missions.
Got an item from Michael Mamaril.
Killed a Constructor without it ever building another bot.
Killed a Chubby.
Purchased 5 items from the black market.
Redeemed 25 tokens.
Reached level 10.
Unlocked 10 customization items.
Reached level 5.
Completed level 1 of all non-level-specific challenges with a single character.
Remained in Zero's Decepti0n mode for ten seconds straight.
Fed thy noble queen 3 times during one visit to her quarters.
Vanquished the Ancient Dragons of Destruction.
Completed thy quest by rescuing yonder queen.
Showed thine worst enemy, the abomination known as "The Darkness", who is the nerdiest of them all.
Demonstrated your skill, or lack thereof, at rolling the magical treasure orb of many sides.
Unsheathed 5 swords from Immortal Skeletaurs without leaving the area.
Introduced thyself to the White Knight.
Slew Mister Boney Pants Guy.
Won the most challenging round in Murderlin's Temple.
Wielded the Mysterious Amulet.
Completed all Hammerlock's Hunt side missions.
Completed the mission "The Fall of Nakayama".
Discovered all named locations in Hammerlock's Hunt.
Completed all Campaign of Carnage side missions.
Collected 10 pictures of Moxxi in Campaign of Carnage.
Completed the mission "Long Way To The Top".
Completed the mission "X Marks the Spot".
Discovered all named locations in Oasis and the surrounding Pirate's Booty zones.
Completed all Pirate's Booty side missions.
Defeat the Dark Web.
Defeat Haderax the Invincible.
Complete the mission "Paradise Found".
Allow Tiny Tina to arm the moonshot cannon.
Activate the Backburner's firewall.