In this Cuphead Wiki you can find full game walkthrough including tips to defeat all bosses, how to unlock secret achievements, location of all hidden coins, Secret Black and White mode, and many other things. Cuphead has total 3 Worlds before you reach the Finale to deal with the Devil. These three worlds are divided into different region where you will face a unique boss every time to gather the contract. Along with you will also have to finish the Run and Gun level that will reward you coins, these can be used at the shop to buy upgrades.