Sonic's Ultimate Genesis Collection - (PS3) PlayStation 3 Simulation > Virtual > Pet Demon Stone's locations include Gemspark

Demon Stone's locations include Gemspark Mines

Publisher:  Konami

In Pac-Man World 2

while avoiding enemies and obstacles

Sonic's Ultimate Genesis Collection - (PS3) PlayStation 3 Simulation > Virtual > Pet Demon Stone's locations include GemsparkDescription Take a trip back in time with over 40 titles from the SEGA Genesis era, including your Sonic The Hedgehog favorites. In classic single player and multiplayer battles, you'll take down a huge variety of enemies, including Sonic's nemesis Dr. Eggman (AKA Dr. Robotnik), shuriken flinging ninjas, hordes of altered beasts and the world's greatest fighting champions. Product Details Name: Sonic's Ultimate Genesis Collection PlayStation 3