Roll20's quality requirements stipulate: a minimum price of $0.99; when the item type is an art pack, grid cell width must be set; at most 7 carousel images (cover first) and 5 tags, with cover dimensions of 512×512; a single image must be under 10MB, and images exceeding 4200 pixels must be split; Roll20 maps are capped at 99 squares; rendering is at 140 pixels per square; and competitor VTT links must not appear in the publisher bio.