Melissa K. and the Heart of Gold Collector's Edition is a 2D puzzle “Hidden Object” game. This is the only game within the franchise.

Plot

The story centers around the young teacher who travels to Thailand to uncover the true nature of her adventurous past. While traveling, the player meets some characters who follow the heroine to her destination.
The game widely exploits the misunderstood Asian mythology plentifully flavored with fantasy elements revealing Frankenstein born as a result to the players. As to fantasy elements: the traditional oriental myth here is mixed up with Nazis, aliens, clones, and ghosts. The plot in the game, in contrary to many titles of that sort is composed entirely out of a will to interconnect the gameplay branches into one examinable piece of a video game. There are some bonuses to a plot, uncovering when the certain collectibles amount is met. They disclose some of the main story's arcs.

Gameplay

As in every Hidden Objects game, the player is forced to investigate the multiple backgrounds on the subject of missing items. That is the only gameplay explanation there might be. The title offers a variety of locations across the globe and the similar backgrounds to fit the aesthetics. Not only would player search for the objects but also he would be faced with 2D riddles to overcome and even actions scenes to quickly react in.