Game overview
If you timely answer the calculation problem, you can hit the ball.
When the gauge becomes maximum, a chance ball comes and it is a chance to get high marks.
You can determine your brain age.
Since this game corresponds to net ranking, you can compete with rivals in the world.
You can determine your brain age.
Since this game corresponds to net ranking, you can compete with rivals in the world.
Developer
More games by Yadiweb