This is the only supplement made of Hidden Kingdom. It was put out in the late 1980's. As we expand Hidden Kingdom it will not be part of the official rules, but does reflect where we are going with the game.
It contains Character Generation Rules for those that want them. ... [click here for more]
The first in a series adding Characters to Hidden Kingdom System. This system adds 4 great Warriors from history and the legends of King Arthur. It also adds three troop types for the warfare rules. ... [click here for more]