My game freeze and stuttering and I don't know what to do.
is there a way to know where it cames from?
construct.net/en/make-games/manuals/construct-3/tips-and-guides/performance-tips
If you can isolate when and under what conditions it occurs, you'll be able to narrow it down more. It may also be a good idea to test on different browsers and devices.
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You can run the game in debug mode and see what the problem is.
You can post the "c3p" file here and we'll take a look.