Knife an enemy without him ever knowing you were there in Single Player or Special Ops.

Find ten treasures

Defeat 50 enemies with the M32 - Hammer

Defeat 30 enemies with the RPG - 7

Defeat 20 enemies with gunfire by aiming while hanging

Defeat 70 enemies with the M4

Defeat 20 enemies with a single punch, after softening them up with gunfire

Defeat 50 enemies with the Micro - 9mm

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

Defeat 50 enemies with hand-to-hand combat

Find one treasure

In Barge, save Vesper in under two minutes.