By the way, pressing R allows you to restart a level, and you can click on the blue glowing spheres to move the light source. You can scroll your mouse wheel to make the light source closer/farther. You can Left/Right click on the outlined objects to make them larger/smaller. The controls are shown on the game page, but it seems that Itch is not showing the game page here.
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So essentially from level 3 to 4 I tried this - questionable - jump and ended up in this loop. I did try to press R to restart the round but it didn't budge. This isn't me nitpicking, I understand I wasn't playing the game as intended but I thought you'd like to know this detail. Overall, great game and good use of the 'scale' theme!