SNES Demo NOT (AKA Cynix Is Back) (PD) ROM Download for Super Nintendo (SNES). SNES Demo NOT (AKA Cynix Is Back) (PD) game is available to play online and download only on Roms Games. SNES Demo NOT (AKA Cynix Is Back) (PD) ROM for Super Nintendo download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.