An endless runner type of game (basically a Subway Surfer clone) featuring Sonic, it makes so much sense! So it's still unbelievable to me that it took this long for Sega to release this, and that they didn't do much more to make this title really stand out. I'm still glad I bought it and played it. It's a gorgeous game, even with the dumbed-down iPhone 4 graphics. It's just that ultimately it still does feel like a missed opportunity.