Armor Games - Play free online games at Armor Games! We're the best online games website, featuring shooting games, puzzle games, strategy games, war games, and much more...
Kongregate - Kongregate has free games that you can play online. Choose from thousands of free flash games.
Ninja Kiwi - Ninja Kiwi, creators of awesome free online 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!
Miniclip - The Best Online Games!
Game Center - Game Center brings social gaming to OS X and iOS apps.