Become leader of The Lost. (The Lost and Damned)

Defeat 20 enemies with hand-to-hand combat

Find ten treasures

You have completed the story.

You completed the mission "I'll Take Her".

You completed the mission "Museum Piece".

You unlocked all the islands.

Finish the game in Easy Mode

Find 45 treasures

Kill 20 enemies by shooting from the hip (without aiming with the L1 button)

Find 40 treasures

Kill five enemies in a row with a brutal combo

Find 25 treasures