All levels unlocked.
This is final battle of Angry Birds, they have to take all bad pigs fall down.
This is a level game. There are 18 unique and interesting levels.
The game is to knock down all the pigs with angry birds. When all pigs fall down level will complete.
Each level score depends on how many pigs are left and how much time left.
To throw birds press mouse near pellet-bow then move to aim and then release.