OGL Core Rulebooks

OGL Core Rulebooks

The titles in this section are complete rulebooks based on the D20 rules set. All are Open Content, and all open the doorway on a completely new setting, from the age of ancient antiquity to worlds dominated by the cyberpunk genre. Each is a gateway into using the D20 rules in a brand new way.

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OGL Ancients eBook
OGL Steampunk eBook
OGL Horror eBook
OGL Cybernet eBook

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