Can you share your game to us so we can check if it is your computer’s problem?
Also, try exporting the game and see if the frame still drops
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You should check your task manager to confirm that the issue comes only from GDevelop.
Also, GDevelop includes a performance profiler near the debugger.
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I can review your project if you send a zip with all the project and resource in PM or here.
Your problem is a bit strange…
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Hi, thanks @Midhil @Gruk @Bouh
I think most of the problems come from my computer, because since I cleaned it a bit, the performance boosted up considerably. I’ve been developing this specific scene I send the pictures and when I run the preview from the events page, or from the start page, it works perfectly. The only problem is if I try to preview it from the scene itself. Also, I exported the game and it’s working fine as well. Is this normal, does anybody relate to this thing (extremely lag only if previewed from the scene) other than fitkoh?
Thank you!
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It could as you said just be an issue of cleaning up your system. My workstation is a bit of a dinosaur, so I don’t expect top rate performance. I’m just happy this dinosaur is able to run Gdevelop at all 
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