River City - Tokyo Rumble (USA) (日本語名: Kunio-kun no Tokyo Rumble) is a 3DS game developed by Arc System Works and published by Natsume. It is a part of the Kunio-kun series, a long-running series of side-scrolling beat-em-up games. In the game, players take control of the series protagonist Kunio, who is on a mission to save his friend Riki from the clutches of a mysterious organization. Players explore the streets of Tokyo, fighting gangs, building relationships, and searching for clues to Riki's whereabouts. The game features classic beat-em-up gameplay, with players controlling Kunio and up to three allies as they fight their way through waves of enemies. Players can also use weapons and special moves to defeat their opponents. In addition to the main story, the game also features a variety of side activities such as mini-games, shopping, and more. Players can also take part in tournaments, where they can compete against other players for prizes. River City - Tokyo Rumble (USA) is an exciting 3DS game that combines classic beat-em-up gameplay with an engaging story and plenty of side activities. With its colorful visuals and characters, it is sure to be a hit with fans of the Kunio-kun series.