When was this game updated?
OI is updated at 2019-02-13.
Which studio developed this game?
The provider of OI is 九元刀子.
Can I play OI on Android/iOS?
No. But you can pre-register OI on TapTap.
What languages are supported by the game?
OI supports 5 languages including Simplified Chinese,English,Traditional Chinese,Japanese,Korean etc.
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