Number Crush Except 9

[Game overview]
You can crush it by pressing the number that appears. If the game is over with a score of 200 points, the difficulty will be slightly higher from the next game.
I have prepared a short video so please use it. Video size: 800kB

[About the score]
If you press the numbers 0, 6 and 8, you will get 1 point in Score.

[About Error]
If you do not press the numbers 0, 6 and 8, 1 point will be entered in Error.
If you press the number 9, 2 points will be entered in Error.

[End of game]
The game ends when the Score reaches 200 points.
The game ends when the Error reaches 50 points or more.
You can end the game by pressing the END button even during the game.

[difficulty]
Difficulty is displayed numerically, starting at 1 and increasing up to 40.

[About the record]
Difficulty and score are recorded each time. Press and hold the reset button to clear the record and return the difficulty to the initial state.