From publisher blurb: This is our ninth installment of the one-page-dungeon series. The objective is to create self-contained adventures/dungeons with all things necessary to spawn fun adventures in a single page. This adventure is about a dream-like location whose geometry defies the known laws of physics. It's a non-euclidean cubic plane which can be traversed in any direction. The visitor does not notice any change in orientation. What's included: PDF and JPG versions of OP9. B/W printer friendly versions Roll20 Map versions (140px per square) Labeled and unlabeled variants The adventures are system neutral so no rules or mechanics are included.