Konami Holdings Corporation, commonly referred to as Konami, is a Japanese entertainment company. It operates as a product distributor (which produces and distributes trading cards, anime, tokusatsu, slot machines and arcade cabinets), video game developer and publisher company. It also operates health and physical fitness clubs across Japan.
Konami is famous for popular video game series such as Castlevania, Suikoden, Contra, Frogger, Gradius, Goemon, Metal Gear, TwinBee, Rocket Knight, Dance Dance Revolution, Beatmania, Pop'n Music, Silent Hill and Yu-Gi-Oh! among others.