It's supposed to have been completed by only about 10 people using only their own knowledge. It's pretty long; and damn hard. So if you have an IQ. below 150 dont even try. You can get hints, but that spoils the fun. So dont.
This is a thinking game. I by no stretch of the imagination rule at those.
I just don't know what to do with this silly light bulb.
Got photoshop? Increase the brightness and see what it says on the desk.. (You can probably see it even without brightness but barely) Even I got that one mockel. You are supposed to be the Math wiz here