I realized that one of the effects I use in my game is a glitch and when I build the game the effect doesn’t show up. It only shows when I play the game inside the editor. Video of the problem:
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I’ve come across this problem before, and it was caused by the shader used for the effect not being included in the graphics settings; this causes it to work in the editor, but not in the build. In order to solve this issue go to “Edit > Project Settings > Graphics” and add the shader to the “Always Included Shaders” list. That should hopefully solve the problem!