The online game "Sonic Runner" invites runner lovers to an extreme marathon of obstacle course along with a blue hedgehog. Sonic is on the hunt for treasure again. This time, his wanderings led him to a fairy-tale valley dotted with gold and jewels. But getting them in a begalka will not be easy, because there are a lot of traps, dangers and vicious animals around. Become the hedgehog's running coordinator and help him get to the end of each level of the game safely. Collect golden rings and pebbles with Sonic, jump over spikes, wasps and other misfortunes. Roll in the game in a ball on the loops to get the hard-to-reach.