That's Not My Neighbor is a suspenseful psychological horror game in which players take on the role of a security guard at a mysterious apartment complex. Your mission is to verify the identities of residents and detect impostors attempting to infiltrate the building. With gameplay centered on observation and deduction, the game generates a sense of suspense with every decision. Its retro graphic style, combined with an eerie soundscape, further heightens the terrifying atmosphere. That's Not My Neighbor not only challenges your powers of concentration but also delivers a unique and captivating horror experience.