A mother's memorial
In the Treehouse, go to a desk near the "Robot Finds Kitten" message. On this desk is a picture of someone. Go to this picture, and press Circle(2), Triangle, Circle, X. You will be shown a platform with a fountain, fireplace, angels, kittens, and roses. There is also a message about TJS's mother. This platform is a memorial for an HIG crew member's mother.