When was this game updated?
RE:Nightmare is updated at 2021-07-17.
Which studio developed this game?
The provider of RE:Nightmare is HotaruGame.
Can I play RE:Nightmare on Android/iOS?
No. But you can pre-register RE:Nightmare on TapTap.
What languages are supported by the game?
RE:Nightmare supports 1 languages including Simplified Chinese etc.
TapTap looks better
on the app