Kongregate - Kongregate has free games that you can play online. Choose from thousands of free flash games.
Friv - A safe place to play the very best free games!
Newgrounds - A community of artists, game developers, musicians, voice actors and writers who create and share some of the best stuff on the web!
Addicting Games - Addicting Games, the largest source of the best free online addicting games including funny games...
Shockwave - Shockwave.com is the ultimate destination for free online games, free download games, and more!
Flyordie - Flyordie.com is a free web portal where you can play thousands of games directly from your web browser.