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

Rovio Entertainment Ltd also has Bad Piggies and Bad Piggies HD for Android in Google Play for FREE for limited time. There’s also a Premium version of Bad Piggies HD for Kindle Tablets in the Amazon AppApp Store for 99-cents (regularly $1.99) for limited time.

From the creators of Angry Birds: an all new game from the PIGS’ point of view!

Create the ultimate flying/crawling/rolling/spinning/crashing device and pilot the pigs safely to the eggs!

The Bad Piggies are after the eggs again — but as usual, nothing is going according to plan! Can you create the ultimate flying machine and steer them safely to their destination? Those tricky pigs have a few objects they can use, but they need your help to turn these into the perfect transportation!

With more than 60 levels, and free updates coming up, you have hours and hours of pig-crashing, exploding, and flying fun! Get three stars on every level to unlock 30 more puzzles! HINT: Sometimes you need to play the level several times to achieve all the objectives — try building a new device or steering in a different way to earn all the stars!