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Founded 1983
Headquarters Seika, Japan
Other Names Kemco▲Seika, Seika, Kotobuki System Co., Ltd.

Kemco (株式会社ケムコ Kabushikigaisha Kemuko = Kemco Ltd.) is a Japanese video game developer. They were originally a huge manufacturer of heavy equipment. The president of Kemco, Seichiro Okuhara enjoyed video games and was good friends with Hiroshi Yamauichi at Nintendo, so they started developing video games for Nintendo's consoles. The company's first game was a Famicom port of the Commodore 64 title Doughboy. They started off primarily porting computer games to the NES, but also made some of their own games as well. They are also known for developing Superman for the Nintendo which some people claim to be the worst movie-adapted video game of all time, however, they also made the Nintendo adaptations of Deja Vu, Shadowgate, and Uninvited which are true classics.

The company is known for rarely putting credits in their games. According to one of the developers, this was due to there not being enough cartridge space. However, their second game, Electrician for the Famicom Disk System contains a staff roll after completing the most arduous of tasks in a video game. Kiminari Sueda (graphics) and Hiroyuki Masuno (audio) worked on every single NES game they developed.

For their NES games, most of their games were based on Disney characters. Because of different copyright laws in the USA, and Capcom already having the US rights to the Disney characters, Kemco was forced to change the US sprites to another cartoon character.


Music Development


Hiroyuki Masuno programmed a sound driver in 6502 assembly. He wrote his music on a CMU-800 and CMU-APL, and then wrote a program to convert his files to the NES for playback.

While Masuno also composed most of Kemco's games, sometimes there were other composers who created music that he had to arrange and implement into his sound driver.


Hiroyuki Masuno programmed a sound driver. It is unknown how he created the music. However, he said the instrument samples were provided by Sony, the manufacturers of the SNES's S-SMP sound chip.

Audio Personnel

This is a list of composers who worked at Kemco:

Picture Gallery