Information of sprites: Nice: The sprite in the middle. -Score Sprite: the blue sprite. +Score Sprite: the green sprite Rules: 1. Clear 3 levels (9 rounds) by avoiding Nice touching the wall and the edge by clicking the space key to go up to win. If you touch the wall, you will fail. If you don't do anything, Nice will fall down. 2. If Nice touches the -Score Sprite, 1 point(score) will be subtracted. If you don't have any more points(scores) left, you will fail. You can select the initial setting of the points(scores). if you type easy, it will be 8. And medium is 6, hard is 4. 3. If Nice touches the +Score Sprite, 1 point(score) will be added. 4. Also follow directions written in the backdrop.