Steam

Iris Odyssey

Also known as Iris Odyssey, io, iris odyssey

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17 May 2026

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Published 15d ago

Thank you for attending Game Dungeon 12!

We participated in Tokyo Game Dungeon 12 on May 3, 2026 (Sunday)! Since it was held during the Golden Week holiday in Japan, we had the highest attendance ever. We sincerely thank everyone who visited our booth!! ↑ Here…

EventImpact 653 changes

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Update archive

Browse 11 historical updates and patch notes for this game.

11shown

MediaVersionDateTypeSummaryAction
#DD8624 Mar 2026Patch notesStarting May 29, the full version of "Iris Odyssey - Hephaisto's ring -" is now available! The game has already released the free parts of Chapters 1 and 2, and now Chapters 3 and 4 will be released. It's the story of t…Patch notes1 changeGameplay
#64B306 Feb 2026EventWe are excited to announce our participation in the Tokyo Game Dungeon 11, held on February 8th (Sunday) this year! Our staff is currently preparing...! At this event, you can try out a short version of our demo, and we…EventImpact 653 changes
#3CC706 Jan 2026AnnouncementIn May 2025, Yoshimi Kohara recorded for her role as the protagonist, Iris! The session was originally shared as a report manga on X, and we have now compiled it into a complete collection.Announcement
#144C24 Dec 2025AnnouncementTo help you get to know the characters of "Iris Odyssey" better, we asked them some questions in a Q&A format! Question 1: "What comes to mind when you hear 'fried shrimp'?" Question 2: "When reading books, do you prefe…Announcement1 changeGameplay
#2CC619 Dec 2025StoreThe official doujinshi "Iris Odyssey: Hephaistos's ring Starter Book," which was sold exclusively at the Winter Comiket 2024, is now available on Amazon Kindle! *The digital sales are available only in Japanese. Inside…StoreImpact 552 changes
#5B4219 Dec 2025EventOn November 9, 2025, we participated for the first time in the "Digital Game Expo 2025" held in Akihabara, Tokyo! Thank you to everyone who came despite the bad weather on the day ☔️ This was the first event after the S…EventImpact 653 changes
#AF5708 Nov 2025AnnouncementAs of November 4, 2025, the free demo for Chapter 2 is released! In the already published Chapter 1, we see the encounter between Fuka and Iris as they search for Fuka's missing brother. In the sequel, Chapter 2, not on…Announcement1 changeUI/audio
#9CA824 Sept 2025AnnouncementWe’re exhibiting at Tokyo Game Show 2025, September 25–28! 📍 Booth: Hall 11-E34 (Indie Game Corner) ✨ You’ll be able to try out the game on-site, and we’ll also be screening the newly released main story opening movie!…Announcement
#373310 Sept 2025AnnouncementA character PV featuring a luxurious voice cast was released in conjunction with "Gemdán 9" held on August 3rd! The PV also features many unreleased main story scenes that were not shown in the demo. Please be sure to w…Announcement1 changeUI/audio
#9D5A15 Aug 2025AnnouncementOn August 3, 2025, we successfully participated in Tokyo Game Dungeon, also known as TG_Dungeon 9! Thank you very much to everyone who came!Announcement