The game rules for Underground is an adaptation of the Mayfair Exponential Game System, originally developed at Mayfair Games for the earlier DC Heroes roleplaying game depicting the DC Universe, however the rules were modified to depict lower-powered characters and a more deadly setting.
The game rules for Underground is an adaptation of the Mayfair Exponential Game System. An adaptation of the Mayfair Exponential Game System is originally developed at Mayfair Games for the earlier DC Heroes roleplaying game depicting the DC Universe. The rules were modified to depict lower-powered characters. The rules were modified to depict lower-powered a more deadly setting.