From the box: A speedy spooky numbers game! Mr and Mrs Morbid are throwing their annual Halloween party. As usual they've invited some very strange guests... and you've been given the job of answering the door to them all! You've got to keep track of how many peculiar characters arrive and leave because Mr and Mrs Morbid have invited more spooks that their creepy house can hold! You can't turn any guests away, but you're in trouble if you let more than 99 guests in!