Free Clickomania - A wonderful game for all ages, which challenges you to remove colored stones from the screen by clicking on stones of the same color. As is the case with Tetris, the premise sounds easy, but the game isn't as simple as it sounds. Clickomania is free, but you're encouraged to send a postcard to the author. If so, this site is hard to beat. Microsoft's gaming center is the biggest resource of its type on the Web, with over 2 million registered users.
Membership is free.
The Zone supports up to 16,000 online players simultaneously at peak times. Free games here include backgammon, bridge, checkers, chess, cribbage, go, hearts, Mind Aerobics, reversi, spades and Bingo Blitz. This feature makes it easier to locate opponents to compete against. Among MSN Gaming Zone's more helpful new features is its free ranking system, which shows you how you stack up versus the competition. All rights reserved.