Welcome to Epidemic Osiris, the open-source RPG system that offers the perfect blend of realism and game speed.
The Epidemic Open-Source Roleplaying System (OSRS), or as we call it, Osiris, is a general framework of rules for running any sort of Role Playing Game. The open-source part means that you are free to add to it, run your games in it, and publish supplements and adventures using Osiris... [click here for more]
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