Raiden III is a vertically scrolling shooter developed by MOSS and released in as an arcade video game in 2005. It is the fourth game in Seibu Kaihatsu's Raiden series; it is the first installment in the series to be developed by MOSS as it consists of former Seibu Kaihatsu employees who bought the rights to the series. Raiden III uses the Taito Type X arcade hardware, giving full 3D graphics to the series for the first time. The game was published in the US by UFO Interactive Games, in Europe by 505 Games, and in China by Soft-World International Corporation. An enhanced version, Raiden III x Mikado Maniax, was released in 2023 by NIS America.