Choose between computer mode or 2 player mode. Use the arrow keys to navigate the player on the right. In 2 player mode, use w and s to navigate the player on the left. In computer mode, the player on the left will be controlled by the computer.
Added in some essential new code and some you don't have to copy. I left comments on all of the new code I added and their purpose. Added selection screen (necessary), computer vs 2 player mode (necessary), score variables (necessary), costume changes (unnecessary), sound effects (unnecessary), crazy mode (unnecessary), and clones (unnecessary)
