that "house system" was directly comparable to WFRP in practice.140 Judge Dredd 1977 2000 AD comics 1985 for first RPG. Dystopian facist future overpopulated partly post-apocalyptic earth with psychics, mutants, and zombies. RPGs have used a house system, a d20 version, Traveller vesion, and a WOIN version.
Heh...that project was also the first time I've ever been published!61. Nyambe - d20 African setting published by Atlas Games