Systems for making a side bet in a hybrid game having a gambling game portion and an entertainment game portion are provided. The side bet is made in regards to the play of the entertainment portion of the hybrid game and can be made using a real world credit, a game world credit or a game world element. If the side bet is made using a real world credit, the real world credits used by the gambling game portion of the hybrid game and credited to a player are incremented or decremented. If the side bet is made using a game world element, the entertainment game portion of the hybrid game is updated based on the outcome of the side bet.