Rovio Entertainment Ltd has Angry Birds Seasons (iTunes Link) for the iPhone and iPod Touch and Angry Birds Seasons HD (iTunes Link) for the iPad in the iTunes App Store for FREE (regularly 99-cents/$2.99) for a limited time.

Rovio Entertainment Ltd also has Angry Birds Season for Android in Google Play Store for FREE.

Angry Birds Seasons takes the captivating gameplay of the original to a whole new level! From Halloween to Chinese New Year, the birds are celebrating different festive seasons around the world! With more than 290 levels and regular free updates, these special episodes offer more challenging levels of pig-popping action and golden eggs to discover.