Sierra Entertainment, Inc. creates and publishes interactive entertainment for video game systems, handheld gaming devices, and personal computers. It has studio locations in High Moon Studios in San Diego, California; Massive Entertainment in Malmö, Sweden; Radical Entertainment in Vancouver, BC; and Swordfish Studios in Birmingham and Manchester, England. The company was founded in 1979 as On-Line Systems and changed its name to Sierra On-Line, Inc. in 1988. The company further changed its name to Sierra Entertainment, Inc. in 2002. The company is based in Bellevue, Washington. As of July 11, 1999 Sierra Entertainment, Inc. is a subsidiary of Vivendi Universal Publishing S.A.