Defeat 30 enemies with the Mk - NDI.

Defeat 70 enemies with the M4.

Complete the Mystery.

Finish the game in Easy Mode.

Kill an enemy while they are interrogating a teammate in Multiplayer

Win at least one round of all Multiplayer modes

Achieve a 10 kill streak in Multiplayer

Complete a Multiplayer game round

Defeat 30 enemies with the Desert - 5.

Defeat 50 enemies with hand-to-hand combat.

Defeat 30 enemies with the Wes - 44.

Defeat 20 enemies with gunfire by aiming while hanging.