Circle of Blood is a captivating 2D adventure game that immerses players in a richly detailed world through a third-person perspective. Utilizing a point-and-click interface, players guide the main character, George Stobbart, as he navigates through various environments filled with intriguing puzzles and challenges. The gameplay revolves around collecting and combining items, using them on objects or interacting with non-player characters (NPCs) to advance the story. Players engage in dialogue with NPCs through conversation icons, which provide essential clues and insights into the game’s plot.

As players explore the game, they can uncover new locations added to the map as the narrative progresses. Unique to this title is the possibility of the protagonist's death, which adds a layer of challenge, requiring players to restart from their last save point. This feature enhances the game's difficulty while maintaining engagement, making Circle of Blood a notable entry in the adventure genre.