A ghost walks into a bar and asks for a glass of vodka. The bartender says, "I'm sorry, we don't serve spirits."
Because being chased by ghosts is way too hard.
Every 108 minutes, the button must be pushed.
Because the world's hardest game is way too hard.
The longer you wait to reset the sign to zero, the higher your score. But don't wait too long, or someone else might reset it!