http://nla.gov.au/nla.arc-99682-20100519-0000-dspace.flinders.edu.au/dspace/bitstream/2328/7932/1/space%20invaders.pdf
The website may no longer be active, or the URL of the page may have changed. It is possible that either https://archive.org/web or http://pandora.nla.gov.au have archived this content.
Thank you.