In the Crowded variant the standard map is used with the exception of having a supply center in Ruhr. Each of the 35 supply centers starts out as a home center for one of the eleven players. The original seven players start out with their normal units and positions and are joined by the four new players:
Balkan: F Greece, F Rumania, A Serbia, A Bulgaria
Lowland: F Belgium, A Holland, A Ruhr
Norway: F Norway, F Denmark, A Sweden
Spain: F Portugal, A Spain, F Tunis
The victory conditions remain 18 centers.