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