A method and apparatus for hydrocarbon recovery andor treatment of frac water includes introducing a volume of water into a formation, recovering the introduced water, with the recovered introduced water further comprising suspended hydrocarbon product. A system is provided for effecting defined game play and prizing structure parameters in an electronic entertainment environment. Various components and inserts can be attached to the basic support unit. The graphically presenting, requiring, and determining may be performed for each of a plurality of stimuli.