A mother sent a letter to Nintendo. Her son, an elementary school student, had accidentally broken his Game Boy. The car had run over it. Could they repair it? She included the damaged unit with the letter. She expected nothing — or perhaps at most an estimate, a form letter explaining that the warranty did not cover damage by vehicle.
What came back was a new Game Boy. And with it, a handwritten note. It said: 'To [the boy's name]. Be careful around cars. —Yokoi.' The note was signed by Gunpei Yokoi, the head of Nintendo's R&D1 department. The man who had designed the Game Boy. He had not been asked to write it. No corporate policy required it. He had just done it.
There was a second case. A boy had written in, asking for help. He had limited use of one hand. The standard Game Boy layout — D-pad on the left, A and B buttons on the right — was difficult for him to play. Could anything be done? The request reached Yokoi's desk. Yokoi did not direct someone else to handle it. He modified a Game Boy himself, swapping the left and right controls to mirror the original layout. He sent it to the boy. Free of charge. No publicity followed. No announcement was made. It was simply done.
These stories circulated quietly among those who had worked with him or received letters like that. They were not published during his lifetime in any major press. They survived as anecdotes, passed along by word of mouth, later collected by people trying to understand who the man had been.
Gunpei Yokoi had built his career on lateral thinking with withered technology — using old, proven parts in new combinations. The Game Boy was slow, its screen was green and blurry, and competitors called it underpowered. But it was cheap, it worked, and it fit in a child's backpack. He designed things that people could hold. And he seemed to think of the people who would hold them.
Colleagues recalled that he treated everyone the same, regardless of rank or department. That he considered all people who worked at the company to be equals. That he would involve people from different divisions in his projects because he believed the best ideas came from unexpected combinations of knowledge. One colleague said that when Yokoi was around, it was safe to take risks — to run ahead and try something unconventional. Yokoi would watch, and if you stumbled, he would help you stand back up.
In 1996, Yokoi left Nintendo. He had spoken before about wanting to leave around the age of fifty-five, to work on projects with more freedom. He founded a small company and began advising on Bandai's WonderSwan. Less than a year after his departure, in October 1997, he died in a traffic accident on a highway in Ishikawa Prefecture. He was fifty-six years old. There was no time to write more letters, to modify more consoles, to pass more light to people he had never met.
The notes he left behind were small. A signature on a letter. A D-pad moved to the right side of a grey plastic shell. No grand speeches. No monuments. The Game Boy sold over one hundred million units. That number will be recorded in every history. But the boy who received the note about being careful around cars — what he felt when he read it is not something numbers can count. The other boy, the one with the mirrored controls — whether he kept playing, whether it mattered to him, is not listed anywhere official.
Yokoi's philosophy was about making things people could use. About not chasing the newest, shiniest parts, but choosing the ones that worked and were within reach. Maybe he thought about people the same way. Not the grand public. Not the industry. Just the one person in front of him, holding the thing he made. One at a time. Quietly.
—When you make something, who is it for? And when they hold it, will they know that someone thought of them?