You could try sending a PM to the author, Jack M . Beyond that, it appears to be a custom system played nowhere else. Which is odd. I had thought accessible rules (either free or purchase) were required for inclusion in the repository . Rules must be readily available . Sheets can be submitted for independent games and homebrew systems. Homebrew games will need to ensure they are not violating copyright for their respective game system. In both cases the rules need to be readily available online to the public.