Angry Birds is now on Facebook.

The Facebook edition includes exclusive stages and 4 special power ups:

Sling Scope: “Laser targeting” to show the Angry Bird’s flight path.
Bird Quake: Create a mini earthquake
Super Seed: Increase the size of your Angry Bird
King Sling: Increase the power of your sling

So far, my favorite power up is the Sling Scope.

You can use up to 2 power ups per level. Power ups and the Mighty Eagle can be purchased in the store. $1 can get you 20 power ups. Rovio will also give you daily rewards for logging in everyday.

Go check out Angry Birds on Facebook now.

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