Marketers use video games to influence consumer behavior, towards loyalty programs, purchasing, and for health service reminders. Recent research looked at whether a video game with an environmental theme played on a cell-phone app could influence customers to reduce their household energy consumption. The results of the research showed all of the following EXCEPT: a. Gaming households did reduce their energy bills by adjusting their thermostat settings. b. Video games with environmentally sustainable messages yielded some level of environmental learning among gamers. c. Gaming households did not engage in energy-efficient behavior or adjust their thermostat settings. d. Gamers changed their attitudes towards behaving in smart, energy-efficient ways