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Private company

Datam Polystar

Japanese media company

Datam Polystar Co, Ltd. (株式会社 データム・ポリスター, Kabushiki-gaisha Dātamu Porisutā) was a Japanese media company headquartered in Chiyoda, Tokyo. The company was founded in May 1990 when the game music division of the record company Polystar spun off and became an independent company. Upon becoming independent, it entered the video game market and in the late 1990s, gained fame with the "Roommate" series.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

May 30, 1990Founded1
  • Industryvideo game industry1
  • HeadquartersTokyo1
  • Websitewww.datam.co.jp
  • Legal formkabushiki gaisha1

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Datam Polystar Co, Ltd. (株式会社 データム・ポリスター, Kabushiki-gaisha Dātamu Porisutā) was a Japanese media company headquartered in Chiyoda, Tokyo.2

Products and brands

Super Famicom

Cacoma Knight (English version was published by SETA Corporation)

Makeruna Makendou (English version was published by SETA Corporation)

Makeruna! Makendō 2: Kimero Youkai Souri

Musya (English version was published by SETA Corporation)

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Youchiensenki Madara (also titled Madara Saga)

Sega Saturn

Dragon Master Silk

Sugoventure! Dragon Master Silk Gaiden

PlayStation

Makeruna! Makendō 2

Pocke-Kano: Aida Yumi

Pocke-Kano: Houjouin Shizuka

Pocke-Kano: Ueno Fumio

Dreamcast

Inoue Ryouko: Last Scene

Pocke-Kano: Yumi - Shizuka - Fumio

Roommate Novel: Sato Yuka

PlayStation 2

Trizeal (Japanese PlayStation 2 version)

Pure Pure Mimi to Shippo no Monogatari

Roommate Asami: Okusama wa Joshikousei

From Wikipedia’s article on Datam Polystar, shared under CC BY-SA 4.0.3

Timeline

  1. May 30, 1990Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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