1937: The Great War never ended... Descend with your Team into the underground tunnels of France. Discovered at an abandoned section of the front line. Your mission is to destroy a German secret weapon. To find and locate this weapon, you must fight through 5 distinct sections of the underground tunnels. On your way, you might find some useful equipment or encounter the aftermath of a previous fight. And you may even find some residences that call this part of the front line home.