PAX BRITANNICA runs on a system of probabilities generated by rolls of the dice. To play, you will need two six-sided dice, an ample supply of paper, and a pencil for each player and for the narrator. Most actions need not be adjudicated by a rigorous numerical system. The majority of game time will be spent shaping the story without the necessity of invoking the system, but in some cases, especially in combat, a single set of rules prevents confusion and allows everyone to have a unified image of the action.
These rules are presented by category as follows: