You are Anton Cornwell, a Californian farmer. Recently, your ranch house is prey to strange and unexplained phenomena. Invaded from all sides, you need to be reactive by using your mind to prevent any intrusions. Will you survive the eventful night ahead? ALTERITY EXPERIENCE is a closed-door adventure game playable in first-person. The action takes place in present Lucy County, northern California, a region known for its unexplained phenomena. Many local farmers have found their farms covered in a mysterious purple substance.In turn, you are confronted by the same phenomena. For some time, your neighbors claim to have seen them not far from your property. Your reactivity and a home automation application are the only weapons you have. An object of unknown origin might be the key to your survival; yet, it is hidden somewhere inside your home.ALTERITY EXPERIENCE is above all: An immersive world: Explore the Cornwell Family Ranch, immerse yourself in the scenes and sounds of the 1970s and 1980s science fiction films. A test of survival: Prevent strange phenomena from entering the house. Move as fast as possible to block access directly or remotely through a home automation application. An enigma from elsewhere: Discover the location of a mysterious object whose origin is unknown to you and try to understand how it works by manipulating it. What good is it? A family story: Enter into the intimacy of the Cornwell family, review the numerous documents, and explore several rooms in the house for useful clues.