You can play this game whether you’re offline or online.

Unravel the many mysteries of Shadow City as you fight monsters, confront a cult and rid the city of a horrible evil! 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. 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. The only one who can save him, you must now enter the strangest place you’ve ever been - where magic, witchcraft and science work together, imagination turns real and weird creatures wander the streets.

Is it real or a hoax? While your detective agency is busy gathering information, your friend is dragged into the phantom city by black smoke. Mirages of an unknown city have been seen around the world. Play with your friends to fight the evil together and enjoy regular free updates with loads of new content! Immerse in a detective adventure story and find out what really happened. Meet dozens of distinctive characters who can tell you great stories. Seek and try to piece together clues and notes. Solve thousands of brain puzzles and riddles.

Step inside our mystery locations to search for hidden objects. Get ready for your own hidden object journey in Hidden City®!

Free instal The Unknown City