Game Differences in the sport online

The essence of the game is that in the allotted time, you will find - what is the difference between a two images that are presented to you. You should act quickly so as not to waste time in vain, but at the same time do not make mistakes, because if you do not specify the place or just miss them correct, then you take away one more try. With each new level, the picture changes as the image of athletes on them.