Sonic the Hedgehog 2 Casino Night Zone screenshot. In this page you will find information MIDI file: Download (optimized for Synthesia). View on Synthesia. Casino Night Zone: A WiFi Safe Super Smash Bros. for Wii U (SSBU) Map submitted by _D0ct0r_. Instructions in download. Have fun!. Casino Night Zone is the fourth zone of Sonic the Hedgehog 2 for the Sega Genesis (Megadrive in the stage. Creator. JordanoDaMano (JDM). Download.