Sonic Runners Adventure is a endless runner featuring the famous hedgehog, in what may be the perfect platform for the gaming icon.  After all, it is on mobile, and short bursts of play suit Sonic. The game also feels satisfyingly fast. That's just what you want from any Sonic title. However, there are free endless runners out there, compared to the fixed price of Sonic. Of course, this means there is no waiting to play and no micro transactions.