There is a barrel of kerosene in the basement.
The LANTERN is one of the four special items you have to collect in the Haunted House. The ghostly cat will tell you where to take them. There is fuel for the lantern in the basement. (see related question)
There is a barrel of kerosene under the stairs in the basement (where you entered). Click on it to fill the lantern.
Fill the lantern at the barrel of kerosene under the stairs in the basement.
Go into the celler and under the steps is a tub .Click on it and that will fill up your lantern.
You go down in the basement where you entered the house. Below the steps is a barrel. Click on the barrel and your lantern will be lit.
There is a barrel of kerosene in the basement, right next to the stairs at the left side.
To get the fuel for the lantern... Go down to the boiler room and the kerosine is at the very left
Once you have all 4 treasures, and fuel the lantern, the ghost cat will tell you where to go, which is back to Betsy Blue's tomb in the graveyard. There should be a hole there that you can enter.
Once you have all 4 treasures, and fuel the lantern, the ghost cat will tell you where to go, which is back to Betsy Blue's tomb in the graveyard. There should be a hole there that you can enter.
To leave the house, get the four treasures, fuel the lantern with kerosene, and talk to the ghost cat. The cat will tell you where to take the treasures. To get out of the Haunted House game, you go into the opened grave at the far right, the one that you entered the game through.
If you have the chalice already, fuel the lantern with kerosene in the basement. Once you have all 4 treasures, the ghost cat will tell you where to go, which is back to Betsy Blue's tomb in the graveyard. There should be a hole there that you can enter.
Fill the lantern with fuel from the barrel of kerosene in the basement. Once you have the lantern, the chalice (in the attic), the ice (in the kitchen) and the draught (in the basement), see the ghost cat to the right of the kitchen. You will take the 4 treasures out to the graveyard, to the statue of the crying girl.