The Hidden is an augmented reality (AR) ghost hunting adventure game for the Nintendo 3DS, released in 2011. Players use their 3DS as a paranormal scanner to explore real-world environments, capturing and documenting various types of ghosts. The game melds the lines between the game world and reality by overlaying gameplay elements onto players' surroundings, offering a unique experience that requires physical movement and exploration. Its genre combines adventure, horror, and puzzle elements.