Solo Space Opera with Cepheus Solo Roleplaying with Cepheus Deluxe This rules supplement adds solo roleplaying to Cepheus Deluxe™ published by Stellagama. This zine is available in both digital PDF and Print on Demand options. The print version is a 64-page (6” x 9”) booklet. This format also makes the PDF rules perfect for use on Tablet PCs and iPads.