Positron

positron inc. (株式会社ポジトロン) Made up of former Namco and LightWeight staff, including Yoichi Hayashi (Yo1 Komori), Norimasa Matsuura, Naohito Hanai, and Tomohiro Maruyama.

Research Methods: Actual mentions, shared staff

Dreamcast

• Prismaticallization (programming) (JP Publisher: Arc System Works)

Sound Data Conversion: Brainstorm

Mobile

• Nana Ken Monogatari (programming?) (NTT Docomo) (JP Publisher: TinMachine)
• Ruin Explorer (programming?) (NTT Docomo) (JP Publisher: TinMachine)

PlayStation

• Internal Section (JP Publisher: Square)

Sound: Arika

PlayStation 2

• Guilty Gear X (some programming) (US Publisher: Sammy; EU Publisher: Virgin Interactive)
• Guilty Gear X Plus (some programming) (JP Publisher: Sammy)
• Gungrave (programming, some planning & scripting) (JP/US Publisher: Sega; EU Publisher: Activision)

Production: Red Entertainment; Graphics & Game Design: Ikusabune; Some Art: Kusanagi; Sound: SuperSweep, Sisworks

Windows

• Typing Mahoromatic (programming?) (JP Publisher: Gainax) [1]