Hamster Corporation (株式会社ハムスター, Kabushiki-gaisha Hamusutā) is a Japanese video game publisher, with office located in Setagaya, Tokyo, Japan. The game division of Toshiba-EMI Limited spun off Hamster Corporation in November 1999. On the Japanese PlayStation Store, more than 290 titles are distributed under the Arcade Archives brand, and 108 under the ACA Neo Geo brand. Hamster acquired the rights to Nihon Bussan's video games in March 2014,[1] UPL's in May 2016, NMK's in June 2017, Video System's in March 2018, Allumer's in February 2023, and Athena's in September 2023.