MOSS current logo

MOSS is a Japanese video game company founded in 1993 by Toshinobu Komazawa and located in Tokyo, Japan. The company initially produced licensed arcade games for other companies. After the bankruptcy of Seibu Kaihatsu, the development staff of that company formed MOSS, then bought the development rights to the Raiden franchise in order to keep working on new installments. Throughout the years they have diversified their portfolio outside of vertical shooters.


  • Macross Plus (licensed by Banpresto) (1996)
  • Puzzle de Bowling (co-developed with Nihon System) (1999)
  • Flip Maze (co-developed with Taito) (1999)
  • Quiz de Idol! Hot Debut (co-developed with Psikyo) (2000)
  • Azumanga Daioh Puzzle-Bobble (co-developed with Taito) (2002)
  • Raiden III (2005)
  • Raiden IV (2007)
  • Exit DS (licensed by Square-Enix) (2008)
  • KOF Sky Stage (licensed by SNK Playmore) (2010)
  • Neo-Geo Heroes: Ultimate Shooting (licensed by SNK Playmore) (2010)
  • Caladrius (2013)
  • Raiden IV: Overkill (2014)
  • Caladrius Blaze (2014)
  • Raiden V (2016)