Check visitors' IDs and protect your apartment building from dangerous impostors in the 3D horror puzzle game Clone or Neighbor 3. You have to play the role of a vigilant security guard who needs to carefully check the identities of people and let only legal residents in. Study the appearance of each neighbor directly on the screen in Clone or Neighbor 3 in order to discover hidden mutations in their doubles and get game points. For identifying convincing clones, checking forged documents and successfully surviving all seven days, you will be awarded bonuses. A good memory will help you notice subtle inconsistencies in details in time. Careful deduction and decision-making skills will enable you to effectively secure a building.