Press a, b, c, d, e or f. Watch. Press space to change the color of the background. Hit the down arrow to go back to a black background. Hit the up arrow to clear. Hit h to hide the variables. Press s to show the variables. TURBO MODE IF YOU DARE!
99.9% ME! I used http://scratch.mit.edu/projects/13414145/ as a reference, so I guess, 0.1% @JeremiahMacDonald? WORKS BETTER ON A FAST COMPUTER.