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

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

Defeat 50 enemies with stealth attacks

Finish the game in Normal Mode

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

Defeat 50 enemies with the Dragon Sniper

Defeat 70 enemies with the M4

Defeat 20 enemies with gunfire by aiming while hanging

Defeat 30 enemies with Mk-NDI grenades

Defeat three enemies with one explosion

Defeat 20 enemies with headshots

Find one treasure

Complete one Competitive Multiplayer game