I/O

Jan 26, 2006 Regista 1 platform

Adventure video game Visual novel Drama Mystery Romance Science fiction

I/O is a Japanese sci-fi mystery visual novel developed by Regista set in a near future Japan, where you play one out of four protagonists and try to uncover the mystery surrounding the killing spree in Megalopolis Tokyo.

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Released

January 26, 2006Japan

Also known as

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Versions

I/O Original · 2006
I/O Revision II Expanded release · 2008

Standalone expansions

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Languages

1 language Japanese fully voiced

Japanese audio · subtitles · interface

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