Evil Nun Schools Out

You are in school, after hours, in Detention! What do you generally do during that time period?Well, forget about that. This time you must escape!You have 5 days. You are trapped and Evil Nun is watching you!She can hear EVERYTHING! So try to be VERY quiet!Solve puzzles to open the main door but avoid her doing all that.
Escape Controls:W,A,S,D to moveF to interact/hide/use itemG to drop itemT to UnhideEscape to pauseLeft CTRL to crouch Shooter controls:W A S D to walk aroundMouse to Look aroundLeft Mouse Button to FireRight Mouse Button to AimMouse Wheel To Change WeaponsG for GrenadesR to ReloadF to Pickup ItemsLeft Shift to RunLeft CTRL to CrouchX to ProneSpace to Jump