Pro-tip: build a haunted house from Haunted House blocks, then use Block Glue to add this into it, so you don't have to have windows everywhere!
Creepy Wallpaper price in Growtopia: sells for about 10/WL (median of 4 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: NPIN, ABVW, NOWAYHELLNO