Nakajima Satoru F-1 Hero GB - World Championship '91 is a Formula One racing game released for the Nintendo Game Boy in Japan. Developed and published by Kemco, it features a simplified racing mechanic and various gameplay options to provide an engaging F1 experience on a handheld console.  The game likely draws inspiration from the real-world Formula 1 World Championship of 1991. Its presentation caters to a Game Boy audience, simplifying the complexities of F1 racing for a portable platform.  Although specifics are scarce, the game's goal is likely to race against rivals and win championships, with the unique feature of focusing on the racing career of Nakajima Satoru.

Nakajima Satoru F-1 Hero GB - World Championship '91 (Japan)

Nada Asatarou & Kojima Takeo no Jissen Mahjong Kyoushitsu (Japan)