A game in which the player gets displayed sequentially in an order numbers and these numbers must be entered in the same order in a empty field.
1st stage, the task is simple. You see a one-digit number for 3sec. Then you see another one-digit number for 3 seconds. Now you have 30 seconds to type in the first number displayed and then the second number displayed into the empty field. If you have ten times correctly remembered the tests are more difficult.
2nd floor it is difficult. You see a one-digit number for 3sec. Then you see a second one-digit number for 3 seconds. Then you see a third one-digit number for 3 seconds. Now you have 30 seconds to type in the first number displayed and then the second and the third number displayed into the empty field in succession. If you have ten times correctly remembered the tests are more difficult.
In the next higher levels it gets harder because there are more numbers which are displayed sequentially and need to be successful entered in the blank field. In addition, there are more digit numbers displayed so that it is again the numbers displayed harder to remember