Silent Hill: Mobile DX is the first Silent Hill series installment's conversion for FOMA90X series 3G mobile phones. It was available exclusively in Japan as an application over the i-mode mobile service in conjunction with the Japanese release of the first Silent Hill film. The game is based in the same universe as the first Silent Hill video game, revised into a visual novel-style adventure game, consisting mainly of still images and text. The gameplay is point and click, allowing the player to navigate the world and interact with the environment. An item system, map system, and battle system are all implemented.