Blow up 10 explosive objects, killing at least one enemy each time. (campaign only)

Complete game on "Combat Op" difficulty.

Kill 50 enemies using only the Attack Command. (campaign only)

Kill 150 enemies with any heavy weapon. (campaign only)

Follow your orders.

Kill 250 enemies with headshots. (campaign only)

Kill 100 enemies with any pistol or SMG. (campaign only)

Recover 12 Intel Items.

Complete game on "Walk on the Beach" difficulty.

The end of the line.

Choose vengeance.

Kill 3 enemies with a single grenade. (campaign only)