Suggestions. Decrease the number of clicks slightly when using a mouse. The fingers hurt trying to go that fast. Alternatively, add spacebar support. Absolutely unplayable on a phone. Bind to touchdown events on mobile. Click events have a 300ms delay. Make the game full screen for mobile.
"FastClick is a simple, easy-to-use library for eliminating the 300ms delay between a physical tap and the firing of a click event on mobile browsers. The aim is to make your application feel less laggy and more responsive while avoiding any interference with your current logic."