[iOS]:
Minimum supported device - 3G of storage, iOS 12.0 or above (Devices with specifications equal to or higher than iPhone 8)
Recommended device - at least 3G of storage, iOS 12.0 or above (Devices with specifications equal to or higher than iPhone 8)

[Android]:
Minimum supported device - 2G of storage, Android 5.0
Recommended device - at least 3G of storage, Android 12.0

[Emulator]:
Recommended Emulator: LDPlayer 64-bit

If you meet the issue of black screen, lagging, or crashing, it is recommended:

1. Adjust the image quality to "HD/Balanced" in the game to reduce the pressure on the device memory;

Adjustment steps: In-game menu > Settings > Adjust the image quality to "HD quality" or "Balanced performance".

2. Check whether the device is meet the minimum requirements of the game. If not, it is recommended to replace it with the officially recommended device.

Sincerely,
"Devil Athena: Dark Olympus" Operation Team