Game 6 in a sequence of 12.
In this sixth game we make the bug re-appear at the bottom of the canvas
when it disappears off the top of the canvas.
We check if the bug has reached to top of the canvas and, if it has,
we reset the Y co-ordinate to the bottom of the canvas.

To make your own copy this game use the 'File > Save Page As' feature in your browser.

To change the resulting file use a text editor such as Microsoft NotePad.

Go on to play Game 7.