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River City Ransom, later released as Street Gangs in the PAL regions, is an open world action role-playing beat 'em up video game originally for the Nintendo Entertainment System. It was developed by Technōs Japan and originally released in Japan on April 25, 1989. It is the third game in Technos' "Kunio-kun" series released for the console, preceded by "Renegade" and "Super Dodge Ball". Like its predecessors, "River City Ransom" underwent great changes in its storyline and graphical presentation during its localization in order to make the game more palatable in the Western market. It was one of the first console games published by North American subsidiary American Technos.