Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.

Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.

Find Rojas in the Favelas.

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 250 enemies with headshots

Find 70 treasures

Defeat 70 enemies with the SAS - 12

Defeat 50 enemies with the M32 - Hammer

Defeat 30 enemies with the RPG - 7

Defeat 30 enemies with the Wes - 44

Defeat ten enemies with grenades by aiming while hanging

Defeat 50 enemies with the Micro - 9mm