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