This is my project: http://scratch.mit.edu/projects/uhsting/2575478
In this project, I've noticed that the marks are deducted or added without touching anything in level 2, 7 and 8. What happened? Is there any scripts to stop this chaos?
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Don't use color sensing. Try sprite sensing instead. Or change the backgrounds for levels 2, 7, and 8. It's a project bug.
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