Experience all 9 Game Modes and all 9 Modifiers of the Mutator.
Kill 10 enemies in a single activation of Showdown.
Kill 10 SpyBugs before they take your photo.
Complete a round using the Mutator.
Talk to all of Claptrap's Holographic Projections.
Outrun the Wheel in the Temple of Boom.
Defeat 5H4D0W-TP.
Give the H-Source to Jack.
Successfully recover the Override Key.
Destroy the Tassiter Proxy.
Digitize into Claptrap's Brain.
Complete the Badass Round of The Holodome.
Complete the Badass Round without going into Fight For Your Life.
Complete all 5 rounds of The Holodome.
Complete the "Sub-Level 13" missions with 3 other players.
Kill 100 enemies with Wolf.
While airborne, spin 360 degrees then get a kill with a Sniper Rifle without using the scope.
Complete level 1 of all challenges with a single character.
Loot 10 Moonstone Chests.
Discover all named locations in Serenity's Waste, Triton Flats and Stanton's Liver.
Discover all named locations.
Discover all named locations in Outlands Canyon, Outlands Spur and Vorago Solitude.
Have a Lost Legion Eternal kill 3 of his friends.
Shatter 3 frozen enemies with a single slam attack.
Remove Excalibastard from the stone.
Reach level 50.
Discover all named locations aboard the Helios Space Station.
Pancake an enemy in the Stingray.
Suffocate for 5 continuous minutes without dying.
Have Purple-rated gear or better equipped in every slot.
Use the Grinder to create a Legendary item.
Complete all of the side missions.
Kill 100 enemies with the Aspis.
Defeat the Invincible Empyrean Sentinel.
Complete the mission "To Arms".
Try all the Moxxtails in the Up Over bar in Concordia.
Deliver Zarpedon's message.
Complete the mission "Return of Captain Chef".
Save the Guardians from the Scav Poachers.
Launch 4 rockets from Elpis.
Defeat the Empyrean Sentinel.
Have an enemy frozen, corroded, ignited, and electrocuted at the same time.
Defeat the Opha Superior.
Reach level 25.
Complete the mission "Eye To Eye".
Complete the mission "Watch Your Step".
Open Zarpedon's Chest.
Complete 30 side missions.
Revive 10 players with oxygen.
Win a duel.
Use the Grinder to create an item.
Complete the mission "Science And Violence".
Complete the mission "Home Sweet Home".
Complete the mission "Let's Build A Robot Army".
Complete the mission "Intelligences Of The Artificial Persuasion".
Reach level 10.
Complete the mission "A New Direction".
Unlock 10 Customization Items.
Complete the mission "Systems Jammed".
Complete the mission "Marooned".
Reach level 5.
Complete the mission "Lost Legion Invasion".
Experience all Vault Hunter Modes using Vault Hunter.EXE.