One of the larger gambling houses are seen having flashing decorations with the words ' Sonic', 'Casino' and ' Sega'.Ĭasino Night Zone's dark-gold landmass is highly detailed and has flashing neon colors as well. In the background, numerous buildings are seen giving off many jaunty electric colors and even further into the background there are lines of skyscrapers. Casino Night Zone takes place in a huge, sprawling casino city during the night time.