Sonic Unleashed Wii walkthrough and guide at GameSpy - Check out the latest walkthroughs and guides for Wii. Sonic Colors Wii walkthrough and guide at GameSpy - Check out the latest Developer: Sonic Team What more could a hedgehog need?». Sonic the Hedgehog Cheats and Cheat Codes, Wii. Sonic the Hedgehog Walkthroughs. We have 8 Walkthroughs for Sonic the Hedgehog. By Kulock Demo. See our member submitted walkthroughs and guides for Sonic the Hedgehog. Help for Sonic the Hedgehog on PlayStation 3, Xbox , Wii, iPhone/iPad. Sonic Unleashed is the next installment of a series of games about the adventures of the famous supersonic hedgehog. As usual, the plot tells the story that Dr.