First idea of the forum: If you want to make a new horror game then you should have it take place near Christmas time! Since Thanksgiving is near, maybe you should have the horror game take place around Christmas. There are several horror movies coming out that take place on Christmas time. If you're still lost let me give you an example. Maybe you could explain how Santa Clause's son died and now instead of going out on Christmas and giving kids presents you could make good old saint go out on Christmas and kill people.
The next tip that will be given will be a fantasy adventure! Thanks for reading and have a pleasant feast on Thanksgiving!