KaFas

Display top-left:
The number of digits will spin from 1 to n each level, you need to choose 1 firstly. After that, the number you choose will add one until you meet the number n.

Display top-right:
When you start the game, the time will count down, you need to memorize numbers. When the clock stops and count again, this time for you to find all numbers written on the top-left display.