Help the vampire explore the castle. Use the left and right arrow keys to move. Once you gain the ability, you can press UP to transform into a bat and fly around the castle. Don't get hit by traps or guards! Can you collect the coin in each level?

Once you finish playing The Sun for the Vampire, make sure to check out Slime Laboratory. It has the same kind of old-school platformer feel to it, just with an interesting twist.