There are 50 achievements worth a total of 1000 points
Completed level 1 of all non-level-specific challenges with a single character
Allowed a Goliath to level up four times before killing him
Completed Round 5 of any Circle of Slaughter
Reached level 5
Reached level 10
Reached level 25
Reached level 50
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
Discovered all named locations in Eridium Blight, Arid Nexus, and Sawtooth Cauldron
Discovered all named locations
Tipped Moxxi $10,000
Had Purple-rated gear or better equipped in every slot
Killed 100 enemies with the Sabre turret
Phaselocked 100 enemies
Gunzerked continuously for 90 seconds
Killed a Chubby
Got an item from Michael Mamaril
Killed Donkey Mong
Killed a flying enemy with a thrown Tediore weapon
Redeemed 25 tokens
Remained in Zero's Deception mode for ten seconds straight
Killed a Constructor without it ever building another bot
Unlocked 10 customization items
Revived someone from "Fight for Your Life!" that is on your friends list
Purchased 5 items from the black market
Gave Claptrap a high five
Completed 20 side missions
Completed all side missions
Completed the mission "My First Gun"
Completed the mission "Best Minion Ever"
Completed the mission "The Road To Sanctuary"
Completed the mission "Plan B"
Completed the mission "Hunting The Firehawk"
Completed the mission "A Dam Fine Rescue"
Completed the mission "A Train To Catch"
Completed the mission "Rising Action"
Completed the mission "Bright Lights, Flying City"
Completed the mission "Wildlife Preservation"
Completed the mission "The Once and Future Slab"
Completed the mission "The Man Who Would Be Jack"
Completed the mission "Where Angels Fear To Tread"
Completed the mission "Toil And Trouble"
Completed the mission "Data Mining"
Defeated Jack
I can't even capture it on my camera
Completed the mission "Shoot This Guy in the Face"
Defeated Terramorphous the Invincible
Opened the chest at the bus stop in Fyrestone