Konami Holdings Corporation (Japanese: 株式会社コナミホールディングス Hepburn: Kabushikigaisha Konami Hōrudingusu), commonly referred to as Konami, is a Japanese entertainment and gaming conglomerate. 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. Besides those, it has casinos around the world and also operates health and physical fitness clubs across Japan. Konami is best known for their video games, including Metal Gear, Silent Hill, Castlevania, Contra, Frogger, Gradius, Yu-Gi-Oh!, Suikoden and Pro Evolution Soccer. Additionally, Konami also owns Bemani, known for Dance Dance Revolution and Beatmania, as well as the assets of former game developer Hudson Soft, known for Bomberman, Adventure Island, Bonk, Bloody Roar and Star Soldier. Konami is the twentieth-largest game company in the world by revenue.