Remeber the position and order of the pixels shown in the question.
Then enter the questions in the same position and order.
If you can enter the same information as the question, you will clear the test; if you make a mistake, you will fail.

- Challenge mode: Each time you clear a level, the level increases and the stages become larger, and the questions become longer and more difficult.
- Free mode: You can freely select the stage size and question length.