Forms of interaction with an electronic system, such as for games of chance, games of skill, and combinations thereof are described herein. A system is provided for effecting defined game play and prizing structure parameters in an electronic entertainment environment. The system may include an input for receiving the parameters, a memory coupled to the input for storing the parameters, a processing system coupled to the storage for generating game play to effect the defined parameters, storage for recording information regarding particular game play events and an interface for at least presenting game play events to users of the electronic entertainment system. In one mode of operation, one or more mandated parameters are externally imposed, and variable parameters are selected such that the mandated parameters are met globally, and such that the user experience is optimized.