Kunio-kun no Nekketsu Soccer League is a soccer game released in Japan for the NES. Developed and published in Japan, its gameplay would revolve around soccer matches with likely unique features based on the Kunio-kun franchise.  Further details on the development team and the specific game mechanics would require research into Japanese gaming archives.  This title likely featured a distinctive Japanese style and mechanics. The game's popularity would likely be reflected in reviews and sales figures from that period in Japan.

Kunio Kun no Nekketsu Soccer League (Japan)

Kung Fu (Europe)