I found this site today, submit my arcade site and got after 3 hours approved.

You get a link to your site and also to your last 5 games if you have RSS feed installed.
You just need to put a small banner like from the top 100 sites on your site.

Check this link to see how it looks:
http://www.blogrollcenter.com/stats/...-Games/sniper/

Good luck!