Ring Easter egg
Walk over to the tv and turn it off but don't walk to far away because it will turn back on and you have to run back!
I suggest using this amazing Walkthrough on TA along with my Video guide playthrough for the parts when the guide are not that clear.
Walkthrough GuideRise of Insanity Walkthrough
Video Guide (Full 1000g Including Deaths Normal speed so you don't get lost)