Sammy Corporation (サミー株式会社) was established on November 1, 1975 and is a leading developer and retailer of pachinko and pachislot systems in Japan. They are also known for publishing a small number of videogames such as the Guilty Gear, The Rumble Fish and Survival Arts series of fighting games. In 2004, they merged with Sega as a new company called Sega Sammy Holdings Inc. Most videogame businesses transferred into Sega. Sammy Networks Co., Ltd. (株式会社サミーネットワークス) provides digital versions of its pachinko and pachislot games on PC and mobile in Japan. This part of the company is managed by Sega.