As I suspected, someone has been adding soil to my garden. The plot thickens.
Every 108 minutes, the button must be pushed.
Because being chased by ghosts is way too hard.
Press and hold the button for a long as you can endure. You might even get on the leaderboard!
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!