The DEMO version only includes 4 pages:
http://carrushgame.com
http://carrushgame.com/car-rush/index_ext_iframe.html
http://carrushgame.com/games/beauty-rush.html
http://carrushgame.com/games/race-rush.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www.waybackmachinedownloader.com/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
Go back to the index page