High-Powered Role-Playing


Genre Neutral

Promethium is a genre-neutral RPG system designed to support a variety of settings, from fantasy to sci-fi to post-apocalyptic and beyond.

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High Powered

Promethium is designed to be played in high-power campaigns inspired by pop culture, from comic book heroes to wild west gunslingers and more.

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100% Free

Promethium is completely free under the Open Game License. It can be used to create RPGs and video games, or referenced to run your own games.

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