Raiden (雷電, Raiden) is a 1990 scrolling shooter arcade game that was developed by Seibu Kaihatsu. It was the first game in the Raiden series of scrolling shooter arcade games. Raiden was released in September 1990. The game was distributed in Japan by Tecmo, North America by Fabtek, Taiwan by Liang HWA Electronics, Korea by IBL Corporation, Hong Kong by Wah Yan Electronics, and a few other countries such as Malaysia, though the publishers in those countries are unknown.
The title in Japanese translates to “Thunder And Lightning”. Rai means thunder, and den means lightning. The closest English approximation of the pronunciation is RY-den.