ZERO/Barrier is a publishing and media marketing company based out of Ottawa, Ontario, Canada. We produce the free RPG zine “Dyson’s Dodecahedron” as well as other books for old school RPGs.
Our current print products can be purchased through our LuLu storefront.
We currently have two books in print:
- Dyson’s Delves – critically-acclaimed book of maps and adventures
- Magical Theorems & Dark Pacts – a book of OSR spellcasting options
