That's Not My Neighbor is a simulation game combining puzzles and psychological horror, notable for its gameplay that demands observation and logical reasoning. Instead of relying heavily on jump scares, the game creates its appeal through tense decisions in each level.

Players take on the role of a security guard, tasked with verifying the identity of everyone entering the building. You must compare documents, observe appearances, and detect imposters trying to blend in. Even a small detail overlooked can lead to a wrong decision, making each playthrough suspenseful.

What makes That's Not My Neighbor so popular is the ever-changing scenarios. Characters, documents, and identifying features are not always identical, forcing players to focus on observation rather than memorizing answers. Each playthrough presents a new challenge, creating a sense of curiosity and a desire to conquer.

In addition, the classic graphic style and mysterious sound contribute to building a tense yet captivating atmosphere. Players must carefully consider each choice, creating a different experience compared to many games in the same genre.

With its innovative gameplay, high replay value, and ability to challenge thinking, That's Not My Neighbor always makes players want to return to improve their observation skills and explore new situations. This is an attractive choice for those who love games that require concentration and logical reasoning.