Nowadays, the craze for Flash games is increasing incessantly and game lovers are always waiting for some new and adventurous game. Some of the popular Flash gaming sites that I know are ArmorGames, Kongregate, Nitrome, MochiGames, Miniclip and many more. Visit the following links in order to get some of the most popular Flash gaming websites.
http://listobest.com/websites/top-10-websites-to-play-flash-games/
http://www.pixelprospector.com/the-big-list-of-flash-game-sites/