Koizumi mentioned tempo and rhythm as some of the most important elements of a Mario game, whereas he gave anticipation of the awaiting challenges as a crucial factor in a Zelda title. Unlike Miyamoto, Koizumi often tries to introduce story elements to the video games he works on.
Koizumi highlighted tempo and rhythm as essential components of a Mario game, whereas he predicted the challenges players would face as a key element in a Zelda game. In contrast to Miyamoto, Koizumi often includes storytelling within his video game projects.