The game popularized by its presence on most mobile devices and a recent animation movie -- Angry Birds (by Rovio) -- is now on the Google Chrome browser. And you don't have to pay for it. It's absolutely free!
To install, browse to the chrome web store > Apps > Games > Angry Birds and toward the right side there will be an Install button. Click it and install.
WARNING: You can get hooked with Angry Birds. And it will eat a lot of your time. So don't say we didn't warn you.
To play the game, just open a new tab and the Angry Birds icon will be on the top layer under the Apps header. Or input http://chrome.angrybirds.com/on the address bar.
Enjoy the Angry Birds game for free on your Chrome browser.