I made a great game called Sneak. However, when I uploaded it onto the scratch website, only level 1 works- but with extreme levels of lag, even though everything works perfectly once downloaded. Is there any way to solve this?
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Slowness and things unexplainably not working tend to be inherent problems of the Java player that effects many projects, especially more complex ones. Until Scratch 2.0 rolls around and fixes the compatibility issues, there's not much you can do other than requesting everyone downloads the project, unfortunately.
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That's a very common thing. Many of the best projects I've seen don't work well online because of how complex the programming is. The only thing you can do is tell everyone to download it.
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