Defeat 30 enemies with the Tau Sniper

Defeat 20 enemies while swimming

Defeat ten enemies with grenades by aiming while hanging

Successfully counter all of a Brute’s damage-giving attacks

Defeat 20 enemies by blind-firing while in cover (without aiming with L1/R1)

Find 40 treasures

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

Defeat 30 enemies in a row with your side arm

Defeat 50 enemies in a row without auto-reloading

Stand on the crocodile in the Secret Library

Find 20 treasures

Inspect almost every display case in the Cartagena Museum