As in the original game, there are up to
twelve levels of parallax scrolling
backdrops in this demo.
This demo was made using canvas instead of div, it runs much better and smoother but it doens't work on older browser.
Download
source code
of this demo.
Other demos/experiments I made
(in order to re-learn html and javascript after years of Flash programming...)
if you want you can
contact me
.