The game's melodies were created with the intention that short segments of music could be endlessly repeated during the same gameplay without causing boredom. In 1985, Nintendo started marketing the Famicom abroad as the Nintendo Entertainment System (NES) to capitalize on the 1983 video game crash that had devastated Atari, Inc. To conclude his first year at Nintendo, he created some of the music of Devil World, alongside Akito Nakatsuka. His second work at Nintendo was an instruction manual on how to program Japanese popular music into the Famicom using the peripheral Family BASIC. As the Famicom had become popular in Japan by then, Kondo was assigned to compose music for the console's subsequent games at Nintendo's new development division, Nintendo Entertainment Analysis and Development (EAD). His first work at Nintendo was the audio design for the 1984 arcade game Punch-Out!!. However, he was the first at Nintendo to actually specialize in musical composition. I interviewed with one company, Nintendo, and that's where I've been ever since.' Kondo was the third person hired by Nintendo to create music and sound effects for its games, joining Hirokazu Tanaka and Yukio Kaneoka. You're supposed to apply to many different companies, but I saw the Nintendo ad, and had a love of making synthesizers, and loved games, and thought – that's the place for me.

He recalls, 'I found my way to Nintendo by looking at the school's job placement board. He successfully applied for the job without requiring any demo tapes.

In 1984, during Kondo's senior year, Nintendo sent his university a message recruiting for music composition and sound programming.

Kondo at the Game Developers Conference 2007

Super mario galaxy ost composer