Rise to the call of duty to execute covert operations in the snow. Destroy wave after wave of gunners, rocketeers, jeeps, and UAV's, earning money and buying weapons along the way.
You and a handful of others form the Last Line of Defense, pooling your remaining stockpile of weapons, special ammo, bunker defenses, and super-weapons to fend off the onslaught by virus infected, bloodthirsty Ravagers.
