Really well made, honestly! You took a very basic concept and made it into a very functional game. I wish you could turn the board diagonally, because sometimes there's blind spots, but I assume it's a limitation.
The level creator works pretty well, I like how you used the textures in order to apply them to any object, including the marble. It's a very smart move. I wish that you could undo actions, zoom in and out, that would make it much easier. Adding some music, any at all would also be great.
Definetly a great effort! It's rare that I see games this ambitious and well put together in this jam. Looking forward for your next one!