Clever spin on a used puzzle design. I enjoyed the mind twister. Many levels are deceptively simple hinting at thoughtful complexity. I appreciated the mute option as it allowed me to turn on my relax music. I lost myself in this puzzle for some time. I would like it if I could just press a button to reset everything. Instead I have to click the undo about 20 to 50 times to reset everything back to normal. I would also like some way of returning to the title screen or main menu. I didn't discover any way to do that beyond refreshing the web page which doesn't suffice for me.
Good game, please expand on it.