[3]: 166  Bromley was involved with the Chicago Wargaming Association and its CWAcon convention, where the first Role Aids fantasy adventures by Mayfair were run: Beastmaker Mountain (1982), Nanorien Stones (1982) and Fez I (1982).

[3]: 170  Bromley met Jay Tummelson of 54°40' Orphyte and they discussed the idea of their companies working together.

[3]: 199  Tummelson joined Mayfair Games in 1995, and for the next two years was involved with licensing German games under the direction of Bromley for the company to produce American versions; under Tummelson in 1996 alone, German games such as Grand Prix, Modern Art, Manhattan, Streetcar, and The Settlers of Catan were finally published in the United States.

[3]: 170  Bromley was the conceptual designer of Sim City: The Card Game.

[4] In 2018, Bromley made a donation, on behalf of himself and his late brother Peter, to The Strong National Museum of Play.