Angry Birds” maker Rovio is to launch a new game today which will allow users play as the “Bad Piggies”.

This allows them take revenge on the birds who attacked them.

“Angry Birds” involves using slingshots to launch little birds at fortresses built by green pigs.

Its become the world’s most-downloaded app.

“Bad Piggies” will be launched on iOS, Android and Mac today with versions for Windows Phone, Windows 8 and PCs to follow at a later date.