Nekketsu Kouha Kunio-Kun SP - Rantou Kyousoukyoku (熱血硬派くにおくんSP 乱闘競走極) is a 3DS game developed by Arc System Works and published by Arc System Works. It is part of the Kunio-Kun series of action games, which began in 1986. This game is a remake of the original Kunio-Kun game, Nekketsu Kouha Kunio-Kun, released in 1989. The game features a variety of characters from the Kunio-Kun series, including Kunio, Riki, and Misako. Players can choose to play as one of these characters and battle against other characters in a variety of stages. The game includes a single-player story mode and a two-player versus mode. In story mode, players can explore the town of Nekketsu and take on missions to progress the story. The game also features several mini-games, such as dodgeball and soccer. The game is presented in a colorful, cartoon-style art style, with characters and environments rendered in 3D. The game features a catchy soundtrack and sound effects. Nekketsu Kouha Kunio-Kun SP - Rantou Kyousoukyoku is an exciting and fun action game that is sure to please fans of the Kunio-Kun series.