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.
Discovered all named locations in Three Horns, Tundra Express, and Frostburn Canyon.
Discovered all named locations.
Killed Donkey Mong.
Completed all side missions.
Remained in Zero's Decepti0n mode for ten seconds straight.
Gunzerked continuously for 90 seconds.
Reached level 50.
Revived someone from "Fight for Your Life!" that is on your friends list.
Gave Claptrap a high five.
Discovered all named locations in The Highlands, Thousand Cuts, and Wildlife Exploitation Preserve.
Discovered all named locations in Eridium Blight, Arid Nexus, and Sawtooth Cauldron.
Phaselocked 100 enemies.
Discovered all named locations in Sanctuary, Opportunity, and Lynchwood.
Killed a flying enemy with a thrown Tediore weapon.
Killed 100 enemies with the Sabre turret.
Had Purple-rated gear or better equipped in every slot.
Completed Round 5 of any Circle of Slaughter.
Killed a Chubby.
Tipped Moxxi $10,000.
Allowed a goliath to level up four times before killing him.
Reached level 25.
Killed a Constructor without it ever building another bot.
Unlocked 10 customization items.
Completed 20 side missions.
Purchased 5 items from the black market.
Redeemed 25 tokens.
Got an item from Michael Mamaril.
Reached level 10.
Reached level 5.
Completed level 1 of all non-level-specific challenges with a single character.
Fed thy noble queen 3 times during one visit to her quarters.
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.
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.
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.
Completed the mission "X Marks the Spot".
Discovered all named locations in Oasis and the surrounding Pirate's Booty zones.
Complete the mission "Paradise Found".
Allow Tiny Tina to arm the moonshot cannon.
Activate the Backburner's firewall.
Defeat Haderax the Invincible.
Defeat the Dark Web.