Soul of Darkness is an Action, Side-scroll Perspective, and Single-player Horror video game with Puzzle-Platform elements developed and published by Gameloft. The player assumes the role of a child named Kale, whose family was killed by vicious vampires. After that, the player devoted himself to hunting down the murderous vampires. During his journey, he rescued a girl called Lydia, who lost her past from the horror of a vampire. After that, they fall in love and start living together. However, the girl is getting nightmares they traverse to a small city that often appear in the dreams of Lydia. As they reach there, they discover that the town is only inhabited by death. The game offers similar gameplay to Castlevania video game, and it is split into eleven challenging levels, making it more linear as compared to a Metroidvania game. In the game, the player has access to two weapons. During the game, the player can use these two buttons in solving tricky puzzles. However, the player uses the sword fire to activate the contraptions that unlock several doors. The player navigates the stages from a side-scroll perspective and completes a set of levels to become the master.