Some of the levels are a bit buggy. When I was getting all of the stars I kept having to refresh the page because level 40 kept crashing. Sometimes the first note will play the noise but have no effect (has to be pressed twice). I agree that a reset button that resets the entire stage would be a good addition, as constantly going back to the menu can be annoying. Other than that, good game!
A restart level that actually resets the score is a great thing to have for a game with a rating system based on time.
I found no purpose for the note sounds. Sometimes, they clashed together when pressed in succession. You could make them more harmonic. I feel like there was more potential with the use of sound and colour together. It just wasn't used.
Other than that, it's an okay puzzle. Just make more use of sound. I can play it on mute and it would make no difference to the core gameplay mechanic.
I enjoyed the background music, I found myself trying to sing along! This game was highly addictive for me with its quick button pressing, color patterns and platform positions. Overall I loved it, and I will be coming back to play it many times in the future ^_^ Good work mate.
The level 22 is not working properly