Tap the displayed ones in order!
There are Normal, Hard and Very Hard difficulty levels, and if it becomes difficult, the number of blocks displayed will increase, and if you tap by mistake, you will be deducted.
There is also a mode where you can create your own problems and play!
How about a brain teaser?
It is a game that pushes quickly in order in various genres. Not only the numbers but also the Japanese name of the month and the arrival station of the Shinkansen are prepared.