RPG R&D Episode 123 – Ben Sandfelder RPG R&D RPG R&D Episode 123 - Ben Sandfelder Play Episode Pause Episode 1x 00:00 / Craig Campbell, Jess Geyer, and Ben Sandfelder discuss GMing and designing planes of existence. Ryan Hennesy See all author post Post navigation Previous Previous post: RPG R&D Episode 122 – Brandon AtenNext Next post: RPG R&D Episode 124 – Coyote Crow