Jewel Quest Mysteries is a variant of the Jewel Quest tile-matching puzzle video game released by iWin. In this game, the players seek and find a number of hidden objects listed on the game interface. There are several storylines on the mystery series. These are Jewel Quest Mysteries: Trial of the Midnight Heart, Jewel Quest Mysteries: Curse of the Emerald Tear, Jewel Quest Mysteries: The Oracle of Ur, and Jewel Quest Mysteries: The Seventh Gate. Each of these has a unique background story and the player takes on the role of one of the lead characters such as Rupert, Emma, or Sebastian in unraveling the mysteries.
Jewel Quest Mysteries is a test of attention to detail as the objects are obscured excellently in each of the different locations. Some look like they have been embedded onto something while others look like they are parts of a different object. Once the player sees the object, he just needs to click on it and the object will be taken out from the list of hidden objects. A new object will then be added. While the game interface differs based on the chosen storyline, it still displays the score, inventory list, time, pause button, and hint button. The player is given three hints that he could use on any of the objects.