Sega Superstars Tennis provides examples of: Go Karting with Bowser: Sonic can play against Eggman and Shadow and NiGHTS can play against Reala. The Cameo: Chao, Morolians, Nightopians and zombies all appear from Sonic, Space Channel 5, NiGHTS and House of the Dead respectively. Many Sonic characters like Knuckles and Metal Sonic appear on the […]