Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.

Completed the mission "The Once and Future Slab"

Reached level 25

Gave Claptrap a high five

Completed Round 5 of any Circle of Slaughter

Completed the mission "Bright Lights, Flying City"

Discovered all named locations in Three Horns, Tundra Express, and Frostburn Canyon

Killed a flying enemy with a thrown Tediore weapon

Killed a Constructor without it ever building another bot

Unlocked 10 customization items

Redeemed 25 tokens

Purchased 5 items from the black market

Allowed a Goliath to level up four times before killing him