Original: As of the beginning of, Nintendo's efforts to sell in the North American video game market had failed, culminating with the flop Radar Scope in. To keep the company afloat, company president Hiroshi Yamauchi decided to convert unsold Radar Scope games into something new.
Simplified: It wqs based on an older Nintendo game called Radar Scope, which did not do very well in the United States, so Hiroshi Yamauchi, the president of Nintendo, asked Miyamoto to make a game to replace Radar Scope.