It can improve memory and dynamic vision, which is useful for studying and sports.
Let's train every day.

How to play
1. Press "Start" on the title screen.
2. A number is displayed for a moment somewhere on the screen. I remember it.
3. The number input window will be displayed. Enter the number you remember and press “OK”.
4). If it matches, move on to the next level. If you make a mistake, you will exit and go to the results screen.

Supplement
Multiple numbers may be displayed simultaneously.
The number of displayed digits and the display time vary depending on the level.
If you make a mistake, you can continue only once.