Spirits of Mystery: Chains of Promise - Collector's Edition

Summary pulled directly from Steam - Some text may only be applicable to Steam platform

The fantastical continuation of the popular, long-running Spirits of Mystery series from ERS Games! Isa's back to his old tricks, and now he's doing the bidding of an even greater foe. You play as a princess whose best friend, a princess in a neighboring kingdom, is forced into an arranged marriage with sinister intent. Team up together to thwart an evil plot! Use your interactive mirror to uncover what's hiding behind gargoyle signs along the way.

This is a special Collector's Edition release full of exclusive extras you won't find in the standard version. The Collector's Edition includes:

Is the sorcerer friend or foe? Find out in the bonus game!
Enjoy soundtracks, wallpaper, and concept art
Unlock and replay the puzzles and HOPs!
Bask in your achievements and collectibles!

This is a Hidden Object Puzzle Adventure game, meaning a specific genre of story-driven, point & click adventures. Throughout the game, players are tasked to find a list of objects hidden within a particular scene, and to occasionally complete various mini-games/puzzles.