Thunderbirds, a Game Boy release in Japan, is likely based on the popular British science fiction television show of the same name. The gameplay could involve various challenges and missions related to the show's characters and themes.  Further details about the actual gameplay may require additional research, but it will be a unique interpretation of the Thunderbirds franchise on the Game Boy.  The publisher is not currently known.

Thunderbirds (Japan)

Tetris Flash (Japan)