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