Find one treasure

Defeat 20 enemies with headshots

Defeat 50 enemies with hand-to-hand combat

Find one treasure

Defeat ten enemies using hand-to-hand combat on the back of the convoy trucks

Defeat 75 enemies in a row without dying

Defeat 50 enemies with stealth attacks

Defeat 30 enemies with the Tau Sniper

Defeat 30 enemies with the Mk-NDI

Find 20 treasures

Defeat five Riot Shield enemies by running over their shield

Play in the swimming pool on the Cruise Ship