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.
Remained in Zero's Decepti0n mode for ten seconds straight.
Gunzerked continuously for 90 seconds.
Revived someone from "Fight for Your Life!" that is on your friends list.
Phaselocked 100 enemies.
Allowed a goliath to level up four times before killing him.
Reached level 50.
Killed 100 enemies with the Sabre turret.
Discovered all named locations.
Had Purple-rated gear or better equipped in every slot.
Killed a Chubby.
Got an item from Michael Mamaril.
Killed Donkey Mong.
Discovered all named locations in Eridium Blight, Arid Nexus, and Sawtooth Cauldron.
Discovered all named locations in The Highlands, Thousand Cuts, and Wildlife Exploitation Preserve.
Discovered all named locations in Three Horns, Tundra Express, and Frostburn Canyon.
Completed Round 5 of any Circle of Slaughter.
Gave Claptrap a high five.
Discovered all named locations in Sanctuary, Opportunity, and Lynchwood.
Tipped Moxxi $10,000.
Reached level 25.
Killed a Constructor without it ever building another bot.
Purchased 5 items from the black market.
Killed a flying enemy with a thrown Tediore weapon.
Completed 20 side missions.
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.
Completed all side missions.
Vanquished the Ancient Dragons of Destruction.
Won the most challenging round in Murderlin's Temple.
Wielded the Mysterious Amulet.
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.
Unsheathed 5 swords from Immortal Skeletaurs without leaving the area.
Introduced thyself to the White Knight.
Demonstrated your skill, or lack thereof, at rolling the magical treasure orb of many sides.
Slew Mister Boney Pants Guy.
Completed all Hammerlock's Hunt side missions.
Discovered all named locations in Hammerlock's Hunt.
Completed the mission "The Fall of Nakayama".
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 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".
Complete the mission "Paradise Found".
Defeat the Dark Web.
Allow Tiny Tina to arm the moonshot cannon.
Activate the Backburner's firewall.
Defeat Haderax the Invincible.