> Purpose Destroy ghosts by shining the light on them and then hitting them with your Control. You can predict the approximate position of a ghost from the sound they make. > Game Over The game ends when your energy reaches zero. > Energy Energy decreases with time. A large amount of energy is consumed when using the light to find ghosts. > Space Requirements We recommend an environment with a space of 1 meter from front to back and left and right. We recommend that you do not place large items within 1 meter in front, back, left, and right.