Constantine is an action-adventure video game developed by Bits Studios and published by THQ in February 2005. Based on the 'Constantine' film which is in turn inspired by the 'Hellblazer' comic book series, the game puts players in the role of John Constantine, a demon hunter with the ability to cross over into the demonic dimension of Hell. The player engages in both third-person shooting and puzzle-solving, using Constantine's abilities to interact with the supernatural. The game is known for its dark atmosphere and supernatural themes.