A game system, comprising: a data processing system configured to execute program instructions allowing a user to engage in digital game play; a physical toy; and a detection device configured to detect a presence of the toy within a detection area of the detection device; wherein the toy comprises two or more identification elements each detectable by the detection device when the identification element is positioned within the detection area, wherein the toy is configured to allow a user to selectively position the toy with a user-selected subset of one or more of said identification elements within the detection area; and wherein the data processing system is configured to control said digital game play responsive to the detected subset of identification elements.