You may have kept to what we have discussed so far, you may have also added other characters and enemies. In either case, you will need to make sure that the game is and feels balanced. One way that you can manage issues with balancing can be by implementing combos. Combos offer you a way to reward players who improve their skills and encourage those who perhaps are not so good. In each instance, combos can help to facilitate a level playing field when given appropriately.