This is a physics games with some farm fun! The piggy in each level needs to get to the trough of mud and collect the golden acorns in the level along the way. You can manipulate the shape of the piggy by clicking him and he will change from a square to a circle that will roll along the ground. If you ever need the piggy to stop rolling then you can click him again and he will change into the square and thus will be unable to roll anymore. Use other objects in the level to push the piggy to the puddle or any other actions.