1916 - La Clé du bastion

The German troops were only a few kilometres from Belfort when suddenly the rumour spread. The attackers have a terrible weapon that could reduce the city to dust. And then the sky falls. Giant shells, fired by a huge cannon!
Relive this unknown history of Belfort. Join the great Bucher, chief spy of the French army. Locate and neutralize this detonating weapon.
Be quick, the next shot may go off any minute!