Finish the game in Hard Mode

Finish the game in Easy Mode

Throw back a grenade and defeat two enemies at once

Find 40 treasures

Defeat 100 enemies with headshots

Defeat five Riot Shield enemies by running over their shield

Play in the swimming pool on the Cruise Ship

Defeat 20 enemies with gunfire by aiming while hanging

Defeat 30 enemies with the G-MAL

Defeat 50 enemies with hand-to-hand combat

Defeat 20 enemies with headshots

Find one treasure