Hidden City is a captivating hidden-object game app. Mirages of an unknown city have been seen around the world. While your detective agency is busy gathering information, your friend is dragged into the phantom city by a black smoke. The only way to save him is to enter a strange place where magic, witchcraft, and science work together, imagination turns real, and weird creatures wander the streets. All around there are people and things gaining unusual abilities and a black smoke that seems to be alive, bringing with it enigmatic artifacts, secrets, and dangers. In order to rescue your friend and solve these unexplained phenomena, you will need to fulfill risky quests, explore dungeons, research amulets, and get help from friends. You will unravel the many mysteries of Shadow City as you fight monsters, confront a cult, and save the city of a horrible evil.