The primary appeal of That's Not My Neighbor lies in its gameplay—simple yet possessing significant depth. Players are tasked with checking documents, cross-referencing information, and verifying the identities of individuals seeking entry to the building. Each inspection demands intense concentration; overlooking even a minor detail can lead to an incorrect decision.

Another factor sustaining the game's appeal is the ever-changing nature of the scenarios. Each character presents unique physical traits, documents, and details, preventing players from relying on a fixed, repetitive strategy. This ensures a fresh experience in every round and encourages players to constantly hone their observational skills.

Beyond testing memory, That's Not My Neighbor requires logical deduction to spot anomalies. The need to analyze every detail before making a decision makes each round tense and captivating. This is also why successfully overcoming a challenge delivers a genuine sense of accomplishment.

In addition to its innovative gameplay, *That's Not My Neighbor* features a retro art style with a clean, user-friendly interface. The characters are clearly designed, making it easy for players to compare information and identify discrepancies. The sound design is well-balanced, helping to build a suspenseful atmosphere without feeling oppressive.