Defeat ten enemies with grenades by aiming while hanging

Finish the game in Normal Mode

Find 40 treasures

Defeat 50 enemies with stealth attacks

Defeat 70 enemies with the M4

Defeat 20 enemies with the Pistole

Defeat ten enemies in a row with hand-to-hand combat

Find 20 treasures

Complete one Cooperative Multiplayer game

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

Defeat five enemies in a row with headshots

Defeat three enemies with one explosion

Defeat 20 enemies with hand-to-hand combat