Really fun arcade
This site offers lots of free, entertaining online Flash games that you can play in your browser. Game categories include action, puzzles, sports, shooting games and classics. New titles are added here each Thursday.

AAA free games
Are you bored? This site has the cure: loads of fun, free games that you can play in your browser. The dazzling, multimedia games here can be quite addictive. Titles include action, strategy, puzzles, sports and arcade games.

Arcade outpost
This fun directory rounds up almost 500 free games in a variety of categories, including action, casino, classic, puzzles, racing, sports and strategy. The games here are in Java and Macromedia formats (which means you can play them in your browser, without having to download anything).

Stan's net chess
This free service lets you play chess games online via a graphical interface, with your moves updated automatically. No Java or downloads are required to play at this human vs. human site.