Kill 2 enemies with a single bullet in Single Player or Special Ops.

Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.

Defeat 50 enemies with the M32 - Hammer

Finish the game in Normal Mode

Defeat 100 enemies with headshots

Complete one Cooperative Multiplayer game

Defeat 50 enemies with the Dragon Sniper

Defeat 30 enemies with the Desert - 5

Find ten treasures

Defeat 50 enemies with the 92FS - 9mm

Defeat 20 enemies with headshots

Defeat 50 enemies with hand-to-hand combat

Defeat 20 enemies with hand-to-hand combat