Street Runner Boy is a very challenging game and can easily get you addicted. The story goes as follows. The boy attempts to collect as many as possible which forces him to face some tough obstacles. There are several enemies in this game and they all try to prevent the boy from succeeding in his mission.
What makes the games challenging is that you have to cross so many obstacles and overcome dangers without forgetting to collect coins.
Also, challenge your friends into playing the game and beat their scores!