I like the challenging aspect of the game, though I'm not sure about the difficulty coming mainly from the spike hitbox range. I also didn’t hear any sounds during my playthrough. I did beat the game, but I got this error at the end:
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ERROR in action number 1

of  Step Event0 for object theball:

Moving to next room after the last room.

at gml_Object_theball_Step_0

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gml_Object_theball_Step_0 (line -1)

Your level design needs work. You make the levels too difficult and people get irritated and quit. Make the first three levels easier, then get harder

good job bro, seems very good