The normal rules of Diplomacy apply except where amended herein.
The standard Diplomacy map is used, with the single modification that
Ruhr is a supply center.
In addition to the normal Diplomacy powers, four new powers are
added, making the game an eleven-player game. These powers, and
their home centers with their initial unit positions, are:
Balkan
Fleet Greece
Fleet Rumania
Army Serbia
Army Bulgaria
Lowland
Fleet Belgium
Army Holland
Army Ruhr
Norway
Fleet Norway
Fleet Denmark
Army Sweden
Spain
Fleet Portugal
Fleet Tunis
Army Spain
Design Notes
The identity of this variant's creator is lost to the mists of history.