Full list of all 75 Borderlands 2 achievements. It takes around 80-100 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.
Redeemed 25 tokens.
Had Purple-rated gear or better equipped in every slot.
Discovered all named locations.
Phaselocked 100 enemies.
Killed 100 enemies with the Sabre turret.
Gunzerked continuously for 90 seconds.
Got an item from Michael Mamaril.
Discovered all named locations in Eridium Blight, Arid Nexus, and Sawtooth Cauldron.
Discovered all named locations in Three Horns, Tundra Express, and Frostburn Canyon.
Discovered all named locations in Sanctuary, Opportunity, and Lynchwood.
Discovered all named locations in The Highlands, Thousand Cuts, and Wildlife Exploitation Preserve.
Allowed a goliath to level up four times before killing him.
Completed 20 side missions.
Killed Donkey Mong.
Completed Round 5 of any Circle of Slaughter.
Gave Claptrap a high five.
Killed a Chubby.
Reached level 50.
Reached level 5.
Reached level 10.
Reached level 25.
Tipped Moxxi $10,000.
Remained in Zero's Decepti0n mode for ten seconds straight.
Killed a Constructor without it ever building another bot.
Unlocked 10 customization items.
Purchased 5 items from the black market.
Completed level 1 of all non-level-specific challenges with a single character.
Killed a flying enemy with a thrown Tediore weapon.
Revived someone from "Fight for Your Life!" that is on your friends list.
Completed all side missions.
Demonstrated your skill, or lack thereof, at rolling the magical treasure orb of many sides.
Won the most challenging round in Murderlin's Temple.
Fed thy noble queen 3 times during one visit to her quarters.
Wielded the Mysterious Amulet.
Completed thy quest by rescuing yonder queen.
Showed thine worst enemy, the abomination known as "The Darkness", who is the nerdiest of them all.
Introduced thyself to the White Knight.
Slew Mister Boney Pants Guy.
Unsheathed 5 swords from Immortal Skeletaurs without leaving the area.
Vanquished the Ancient Dragons of Destruction.
Completed the mission "The Fall of Nakayama".
Completed all Hammerlock's Hunt side missions.
Discovered all named locations in Hammerlock's Hunt.
Completed the mission "Long Way To The Top".
Completed all Campaign of Carnage side missions.
Collected 10 pictures of Moxxi in Campaign of Carnage.
Discovered all named locations in Oasis and the surrounding Pirate's Booty zones.
Completed the mission "X Marks the Spot".
Completed all Pirate's Booty side missions.
Defeat Haderax the Invincible.
Defeat the Dark Web.
Complete the mission "Paradise Found".
Allow Tiny Tina to arm the moonshot cannon.
Activate the Backburner's firewall.