I
don't understand why I need to push space to go to the next level of an otherwise mouse-only game. I had to test to make sure I understood which the program read (for some reason I was expecting top-to-bottom left-to-right...), so the lighting commands thing suggested in a high comment would be great. It feels a little easier than most drag-n-drop systems I've used to drop in the wrong square, so an undo feature would be nice; if I overwrite something I might not remember what I put there. But those are all little usability issues on top of what looks like a pretty cool puzzle :).
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 "Loot Hero"){kind=icon}
 "light-Bot"){kind=icon}
 "Bunny Invasion: Easter Special"){kind=icon}
 "MadBurger"){kind=icon}
 "Bubble Tanks 3"){kind=icon}
 "Bloons Super Monkey"){kind=icon}
 "Robot Wants Ice Cream"){kind=icon}