If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Both pigs will have to help each other to jump as high as possible. Using mouse click to jump, then swing moves in such a way that, to jump each pig at a time. Collect objects that are specified in the game, especially eggs, pumpkins and chests. You have three beautiful levels that you can try if you wish.