| I/O | |
|---|---|
&sq=Qlik&lang=&file=File:I_O_Coverart.png) I/O Revision II cover art | |
| Developer(s) | Regista |
| Publisher(s) | GN Software, Asgard |
| Director(s) | Takumi Nakazawa |
| Producer(s) | Takumi Nakazawa |
| Artist(s) | Soyosoyo |
| Writer(s) | Takumi Nakazawa |
| Platform(s) | PlayStation 2, Microsoft Windows |
| Release | PlayStation 2
|
| Genre(s) | Visual novel |
| Mode(s) | Single-player |
I/O is a Japanese science fiction visual novel produced by Regista. It was released by GN Software for the PlayStation 2 on January 26, 2006 and by Asgard for Microsoft Windows on August 29, 2008 under the title I/O Revision II.