You might be surprised but most online game sites users are not kids, sites webmasters know that at least half of the users in those sites are adults- people at work, housewives at home that tend to get a little bored from time to time and many more grown ups that enjoy playing cool free games, not kids that you will find playing online games on the Internet. So now that you know you're not alone, the question that comes to your mind is how do you find a cool online game site. Well let me introduce you to a few things I think are very important when choosing a good online game site.
Firstly you must find a site that features a wide variety of online games, just for knowledge some sites offer more then 1500 online games, so this is a must for a quality game site, secondly we would prefer sites that have a clear and good distinction between games, most of the professional sites are very organized and well categorized (action, sports, racing, kids etc ..).
Another important feature for a site is it's user friendly and GUI, it must be easy and fast loaded on any computer. As you know the good professional sites use better and more advanced servers which result in faster loading time and less hardware problems that may cause slow or bad performance.
The more professional sites have advanced options like user systems, which lets every user that logs in a distinct user and password, a unique zone dedicated to him, usually this zone contains friends, favorite games and also the options to rate and add comments to games.
The last feature and most important feature, to my opinion, is your own subjective thought and preference of the site. Do you, as a user, like it's style, looks and, off course, it's games, while all the things that i mentioned before can be valid, the most important variable is do you, as a user, enjoy playing and using the site , that what counts.
So, to conclude start browsing for free games sites, and choose, using the tips I've written, your favorite game site, I assure that you will find endless hours of fun and games to your pleasure.