You do the right thing by pointing out the value of a link to your site.  You do the very wrong thing by re-adding a link to your own site.  There are however many sites that offer this play, and us picking an choosing is a fool's errand because a lot of people with act with a conflict of interestand not admit to it likeyou did.  We are not talking about ONE site on the planet where a game like this could be played.  A Dmoz link is the common way to address the issue of when there are mmany sites in existence offering basically the same thing.  And fortunaly Dmoz has a well-edited solitaire section with about 100 sites listed in the various categories, so users can certainly find places to play there.