Defeat 30 enemies in a row with your side arm

Complete one Competitive Multiplayer game

Defeat ten enemies in a row, alternating hand-to-hand combat and gunplay

Find 80 treasures

Hit three enemies with fish in the market

Stand on the crocodile in the Secret Library

Inspect almost every display case in the Cartagena Museum

Defeat 20 enemies by shooting from the hip (without aiming with L1/R1)

Kill 10 enemies with thrown-back grenades

Defeat five enemies in a row using stealth attacks

Playing from stage 1, fall through the deck after Smithers.

Kill all 5 enemies during the zero-g sequence in "Turbulence."

Buy all items from the Survival Equipment Armory.