Sonic Spinball Steam CD Key Platform: Steam Release Date: 13/10/2010 Product Description Dr. Eggman (AKA Dr. Robotnik) is once again turning the animals of Mobius into robots using his monstrous contraption, the Veg-O-Fortress. Only Sonic can penetrate the Pinball Defense System to free the animals, retrieve the Chaos Emeralds, and put a stop to Dr. Eggman’s fiendish plans! System Requirements OS: Windows® XP or higher Graphics: 32MB or greater graphics card DirectX®: DirectX® 9.0 or greater Hard Drive: 50MB free disc space