If you can combine business with pleasure, entertainment with the development of skills, then why not use it and do not pump their concentration and reaction using a free game?
An exciting game in the genre of arcade games, will help pass the time, to develop attentiveness and speed of thought.
Sokruschayusche exciting! Incredibly useful!
98% of the players are gaining less than 20 points. But there is a 2% special people. Check, maybe you among them?

Game supports English language.