IPv6 attribute have been mapped to dictionary words so that when you visit, you get an automatic name based on your IPv6. That's just one goody. There are many others I've tried to build in.
If you're on IPv4, you can't use the site at all. You will get to the losers page and you will see other losers. The page is linked to from the about section too so IPv6 people can get to it.
I recommend you visit and play around and if you have suggestions for pushing IPv6 even more, lmk.