From the introductory notes: Welcome to Locket Away, a solo adventure using the Unbelievably Simple Role Playing system(available for free!) devised by Scott Malthouse. This adventure is designed for a starting character who is a hard boiled investigator in the dangerous and unpredictable fantasy city of Jailton. This will serve as an introduction to the USR rules. User comment: This PDF solitaire adventure has clickable links for the numbered paragraph choices throughout.