Survive the onslaught from the deformed Joker henchman

Complete a combo of 20 moves (any play mode)

Defeat 30 enemies with the Tau Sniper

Defeat 30 enemies with the T-Bolt Sniper

Complete the first Thermal Discouragement Beam test

Inspect almost every display case in the Cartagena Museum

Defeat 30 enemies with the KAL 7

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

Defeat five Riot Shield enemies by running over their shield

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

Defeat 50 enemies with hand-to-hand combat

Stand on the crocodile in the Secret Library

Defeat five enemies in a row with headshots