The Sinking City: Worshippers of the Necronomicon is an expansion pack for Xbox One that enhances the base game with three new quests. Players take on the role of Charles Reed, a detective navigating the eerie world of Lovecraftian horror. This DLC invites players to delve into unsolved cases while searching for mysterious spell books that hold formidable powers. Each quest is designed to challenge players with intricate puzzles and atmospheric storytelling, maintaining the game's signature suspenseful edge.

In addition to the new quests, the expansion continues to build on the rich narrative established in The Sinking City. Players will encounter new characters and uncover deeper layers of the story, enhancing the overall experience of the game. The addition of these quests not only expands the gameplay but also immerses players further into the haunting world, making it a compelling addition for fans of the adventure genre.