Nice work, didnt get far, my math skills arent great and I panic button mash when they get too fast. Maybe since using the mouse to control the shooting, right mouse button to change numbers, or the scroll button.
Thank you. I like very much the idea of using scroll button to change between prime factors. Any idea about the interface on mobile devices? I thought of using 1 to 4 fingers screen touch, each representing a prime factor.
Didnt think of mobile but I guess thats the resolution reason. Having the buttons for the numbers is good idea but how would you aim the firing on mobile? might get a little clustered... maybe 1 button to swipe left or right to scroll numbers?