Spooky Halloween

Halloween is here, but Nick is captured by the magic witch. The witch prepares to burn Nick and throw the skeleton into the cauldron as a material. This is a very terrible thing. You must help Nick escape the magic witch's house before Halloween. First of all, you need to find out the correct room password, then solve the puzzle about the graphics, and even need to get three different keys. Nick is in a very dangerous situation. Don't hesitate to help Nick!