Somewhere in level 3 you will find a dead end with 2 vines which you can cut. Cut the longer vine to swing across the gap. You will not be able to swing back from there onwards. So, check your inventory before you attempt this, if you don't have the radio or telekinesis spell with you. Go back to the building and get it first.
Swing across and explore the place until you find the dead body. Cast telekinesis to get the wallet from the web. Open the wallet to get the lift key. You can see a large spider across the gap. Walk to the rim and cast an ice dart at it, this will make it cross over to this side. When it appears. move back all the way and get out of this place.
Find the lift on this level. Open it and go to the other side. Close the lift door otherwise you can't use the lift later on. If you did not lure the spider across the gap, it will appear here and attack you. And you will probably get killed in the process. Follow the passage and descend the web. There is an Elvira here. Get the tomahawk. Go down and take the lift to level 1. If you did not close the door, you must walk all the way out.
There are many rooms in the haunted house. Get the barometer in the living room, but don't enter the passage where you see a lady figure. You need the turn undead to kill the undead that is inside.
Enter the dinning room. Check to make sure you have at least one fireball spell with you before you open the cupboard on the wall. You will faint and get carried to a room full of dead bodies. Get the boot and wear it. There are some wine and food here. Cast a fireball to sound the alarm, a guy will appear and attack you. Kill him and open the door.
The kitchen is infront and have many items which you can use. The stairs lead down to the labs. Don't talk to the scientist unless you have disguise yourself.
Go to the other lab. There is a frankenstein here, don't click on it. If you have cut the wires from his head, you will need to restore a saved game or the game cannot be completed. Get the brain on the shelf and the test tubes. Use the brain to mix a turn undead spell.
Go back to the kitchen, take the passage out. Cast the turn undead spell on the undead that appears. Cast courage if you always faint at the sight of it but remember that quite a number of courage spells is needed through out the game.
Go upstair. There is a room fill with fire. If you enter without the resist fire spell, you'll be killed. There is nothing in the room though.
In a bed room, you'll fall asleep and a succubi will kill you. Cast courage before entering. Get the tunning fork on the bed.
In the kid's room, get the toy cubes.
In the room with a dead body on the bed. Pull the bedsheet aside, get the wallet and then kill the ghost that appears. Get the wallet and take a look at the script. A set of photographs will fall out which you can use to disguise yourself. Shift the bedsheet to reveal a hidden button under the bed. Press it to access the secret passage. There you can get the 10 black candles and chalice with human blood. If you don't have the silver crucifix, the vampires will kill you when you take the candles.
In the room with 2 wooden boxes. Look inside them to get the box of matches. Get the ladder.
Go upstair. A vampire will run towards you. Use the tunning fork to kill it. Use the ladder to go up the roof. Place the copper rod at the roof. When you have reach high enough level, cast summon storm here to animate frankenstein.
Go to lab, set right switch to maximum and then pull the left switch. The monster will walk towards you. You'll need to click its head to cut the wires. There is a door behind it,