Game Unknown Mansion online

Private investigator Frank is investigating a kidnapping case. His mother turned to him, having lost hope and no longer counting on state law enforcement agencies. The hero does not want to interfere in the work of the police, and after talking with a friend from the authorities, he realized that this was not the first kidnapping. Looks like there's an entire organization involved. The detective had a suspicious mansion in mind, which you will help him search in the Unknown Mansion.