1) check the bathroom, flush the toilet to and look for a diamond in the water tank.
2) look through the books in the bedroom for numbers
3) look in the room with a bloody handprint on it. remember the equation above it
4) good forward into a room with the skull, click on the skull, remember all 3 equations.
5) go to the room with the tv, click on the box on the back, enter solutions to the equation found on the skull and bloody handprint wall. (notice the mathmatical signs, match your equations with those...5+4-23) and get the key
6) use the key in the kitchen, (the room behind the candles), use the key and you'll see a computer.
7) use the password (try moving around the files a bit) you found in the bedroom books(1999)
8) find the ax in a closet somewhere
9) go back to the tv room and drink the bottle next to the box
10) go to the room with the ghosts (should be right next to the bathroom) and give him the diamond)
11) look through the socks in the bottom draw, and you should see a switch on the left hand corner
12) open the top draw to get a lighter
13) go back to the room with the skull, and use your ax
14) go into the hole and use the lighter
15) kill the ghost guy thingy (keep hitting the nose)
16) you're done