The half chaos variant is played by 17 players, each owning two supply centers on the standard map. The game starts in Winter of 1900 at the adjustment phase. Each player starts out choosing which type of unit they wish to build and progressing from there. When building units, a unit may be built at any owned supply center.
Due to the number of players, power names are a single character followed by the three letter abbreviation of one of your initial centers. These are:
The victory condition is 18 supply centers.