In order to manage the special catapult, use a computer mouse. Picking up power shots, you will need to run the air green goblin. The strength of the shot will depend on range of the protagonist. The farther away, the more gold coins you can collect and the more likely that set their own record result. At the end, check the statistics and visit the game store by clicking on the button "Shop", where you will be able to improve the parameters of the character.