What's New

The City of Shadows is ready for the grand Halloween celebration and Jack, the Halloween Spirit, is inviting you into his realm. Download this suspenseful update and set off on an unforgettable adventure!

NEW HIDDEN OBJECT SCENE – If you are brave enough, hurry to Jack's Castle and search every nook and cranny.
“HALLOWEEN KEEPERS” EVENT – Complete 30 challenging quests, piece together five exclusive collections and be rewarded with Halloween avatars, a unique amulet, a useful totem and fabulous prizes and bonuses.
MORE QUESTS AND COLLECTIONS – Solve over 90 fresh quests and assemble 15 new collections.
FIXES AND IMPROVEMENTS – Experience these important optimizations for yourself!

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App Description


Get ready for a journey unlike any other!
Mirages of an unknown city have been seen around the world. 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. 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. 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. Unravel the many mysteries of Shadow City as you fight monsters, confront a cult and rid the city of a horrible evil!


● 26 eerie locations to search
● Over 1900 quests to complete
● 277 collections to piece together
● 21 distinctive characters to meet
● 14 monsters to battle in mini-games
● Game Center Support
● iPhone 7+ Display support
● iPad Pro Display Support
● Play with your friends to fight the evil together!
● Regular free updates with loads of new content

Game available in: English, French, Italian, German, Spanish, Portuguese, Brazilian Portuguese, Russian, Korean, Chinese, Japanese, Traditional Chinese

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G5 Games - World of Adventures™!

Collect them all! Search for "g5" in iTunes!


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iPhone Screenshots

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Hidden City®: Mystery of Shadows screenshot 1 Hidden City®: Mystery of Shadows screenshot 2 Hidden City®: Mystery of Shadows screenshot 3 Hidden City®: Mystery of Shadows screenshot 4 Hidden City®: Mystery of Shadows screenshot 5

iPad Screenshots

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Hidden City®: Mystery of Shadows screenshot 6 Hidden City®: Mystery of Shadows screenshot 7 Hidden City®: Mystery of Shadows screenshot 8 Hidden City®: Mystery of Shadows screenshot 9 Hidden City®: Mystery of Shadows screenshot 10

App Changes

  • February 20, 2014 Initial release
  • February 24, 2014 New version 1.0.1
  • March 07, 2014 New version 1.0.2
  • May 16, 2014 New version 1.1
  • May 28, 2014 New version 1.1.1
  • July 16, 2014 New version 1.2
  • April 27, 2015 New version 1.3
  • May 07, 2015 New version 1.3.1
  • September 22, 2015 New version 1.4
  • October 22, 2015 New version 1.5
  • December 13, 2015 New version 1.6
  • January 20, 2016 New version 1.6.1
  • March 23, 2016 New version 1.7
  • June 16, 2016 New version 1.8
  • August 29, 2016 New version 1.9
  • October 03, 2016 New version 1.10
  • October 10, 2016 New version 1.10.1001