Welcome to Pin Detective - Mystery Mansion! A rich woman mysteriously vanished in a lavish mansion that was covered by the rumors of ghosts and dangerous monsters. A talented detective is committed to uncovering the mystery. By pulling the pin, you can collect clues that enlighten the truth. What happens to the billionaire? Why do the biological laboratory and so many alien animals exist in this mansion? Let’s use your brain to solve the puzzle to find it out. Pin Detective: Mystery Mansion i