Knock on all Doors (KOAD) is a 12 scenario module for Command Ops 2 covering the momentous decisions in the first 48 hours of the battle of the bulge in Belgium 1944. These are very large scenarios in terms of area and forces. But they are relatively short and allow you to command either of the three German Armies (1SS Panzer Corps, 5th Panzer or 7th)...