OPTIMIZED FOR MOBILE Sonic The Hedgehog now plays in widescreen at a smooth 60FPS offering unrivalled performance and the game’s legendary soundtrack has been fully re-mastered. Sonic the Hedgehog joins the SEGA Forever Classic Games Collection, a treasure trove of free SEGA console classics brought to life on mobile for the first time!' Run and spin through loop-de-loops as you collect rings and defeat enemies on your mission to save the world from the evil Dr. Race at lightning speeds across seven classic zones as Sonic the Hedgehog. The Sonic game that started it all is now free-to-play and optimized for mobile devices!