ミトラスフィア -MITRASPHERE-

32K reviews
Content rating
Everyone
500K+
Downloads
Content rating
Everyone
Users Interact, Digital Purchases
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About this game

▼ An adventure story around a nostalgic world ▼
A world where the sky is covered with a huge sea - "Mitrasphere"
Touring the gold crystals "Mitra" falling from the sky
The world's secrets and your destiny intersect...

◇◆[Important] Notice of Service Termination◆◇
"Mitrasphere" will end its service at 16:59 on Friday, June 30, 2023.
Thank you very much for your patronage.

Please check our website for details.
https://boi.jp/230427_cm/
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This app is the main story that appeared in "Mitrasphere (online version)", dress-up, etc.
It is an application that you can enjoy.
* "Mitrasphere (Online Version)" ended at 16:59 on Friday, June 30, 2023.

For customers who have not played the online version,
Feel free to use it.

【Notes】
*You can use the following functions with the offline app.
■ Story
・You can enjoy the main story.
■ Map
・You can browse the appearance of the zone.
■ Sound
・You can enjoy the songs that appeared in the online version.
■ Avatar
・You can enjoy dressing up and shooting with the weapons that appeared in the online version.
■ picture book
・You can see the characters and monsters that appeared in the online version.

*Event stories, event zones, some characters, some monsters, and some songs are not included.

Also, please note that we do not support offline apps.

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Official Twitter account
https://twitter.com/mitrasphere_pr
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[Compatible terminals]
Android 5.1 or later and 64bit terminal
* Some terminals may not work even if the above conditions are met.
Mitrasphere will be discontinued as of June 2023. Please continue to enjoy the offline version of the app.
Updated on
Oct 3, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

Ratings and reviews

28.9K reviews
Owlhouse569 Owlhouse569
July 25, 2026
this game was my absolute favorite, all it's regions, characters, and lore were all a wonderful immersive experience, I loved upgrading my character and co-op playing with other players to beat harder bosses in the storyline , I think I reached level 40 before the game shut down all the english servers on February 5-ish years ago, it's pretty sad too because I never truly got to finish the story , still think about this game till today. I wish there was an english archived version of the game
1 person found this review helpful
A Google user
May 21, 2019
The classic storybook style animation and music are fantastic.
7 people found this review helpful
A Google user
November 2, 2018
Stop trying to sell me this game.
4 people found this review helpful

What’s new

【v4.2.2】アップデート内容
====================================
・不具合を修正
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Content rating
Everyone
Users Interact, Digital Purchases
Learn more

App support

About the developer
BANK OF INNOVATION, INC.
support-boi@boi.jp
6-27-30, SHINJUKU SHINJUKU EAST SIDE SQUARE 3F. SHINJUKU-KU, 東京都 160-0022 Japan
+81 70-2443-4418

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