Angry Birds

'Angry Birds' fans have a major reason to celebrate today. Rovio Entertainment's hugely popular multi-platform game is now available on Facebook, a full day before it was expected to be released. But before you log into Facebook and begin smashing pigs in earnest, you may want to learn what this new version has to offer. Here are five things you need to know.

2012's biggest Valentine's Day surprise has nothing to do with flowers or chocolates. 'Angry Birds,' the sling-shot strategy game which has been downloaded more than 500 million times since 2009 is now available on Facebook.

We've seen 'Angry Birds'-themed Christmas displays before, like this one in Austin, Texas. But this interactive setup by special effects guru Ric Turner may be the most innovative yet.

A family in Austin, Texas turned their Christmas light display into the brightest ever tribute to the popular 'Angry Birds' game. Pigs beware!

The wife of the CEO for Rovio Entertainment, the company that created 'Angry Birds,' wore a dress inspired by the hit game at Finland's Independence Day Presidential Ball. Cheesy? No way. We call it awesome. Check out the formal (yet playful) gown below.

Is an 'Angry Birds' mohawk punk rock? We don't really know the answer to that question, but the unusual hair style has certainly grabbed the attention of the kid in the background of this photo. Check it out below. Is this guy the most devoted 'Angry Birds' fan ever...

Angry Birds and pizza -- two of modern life's most addictive things -- come together in this nifty photo, which was posted on Deviant Art user Ilovetohavfun's account.

Angry Birds, the Rovio video game that's been downloaded onto eleventy million mobile devices and played by countless people worldwide, is now moving beyond the screen and into the tangible world with its own retail stores.

The heroes of Angry Birds aren't just about pummeling pigs. They're also concerned about the plight of those without enough food to eat. In this awesome photo, an Angry Birds sculpture has been created using nothing but canned goods at a food drive.

Angry Birds is such a massive cultural phenomenon that it was probably just a matter of time before fan art started to appear. In that spirit, we've got several Angry Bird-themed images from independent artists below.

ESPN offered a rather odd bit of personal info about CrossFit athlete Kristan Clever. We hope she wins, if only so she has something better to be proud of in life.

If Google's recent list of the most-searched Halloween costumes is any indication, we'll be seeing lots and lots of Angry Birds roaming the streets for candy this year. Not to pat ourselves on the back, but we predicted these costumes would be popular.

When it comes to understanding the Angry Birds phenomenon, there's one question that cuts deeper than all the rest: How can so much anger lead to so much joy? While most adults play down their Birds obsessions, this toddler makes no attempt to hide the strong emotions he experiences upon seeing the game in action for the first time. As his dad loads up a giant red bird and sets it off on a crash

University of North Carolina goalies Lassi Hurskainen and Dan Jackson use their feet to play a real life version of the absurdly addictive video game, 'Angry Birds.'

All that flying through the air and crashing into things has apparently taken an emotional toll on one of the feathered warriors from 'Angry Birds,' and he's even sought therapy to cope.