What can I do if an error, forced shutdown, or freezing prevents me from progressing?

If an error, forced shutdown, or freezing occurs, please try the following.

▼In-App Solutions

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■App Data Recovery
1. From the title screen, tap “Menu.”
2. Tap “App Data Recovery.”
3. Tap “Recover” to redownload all game data except your current save data.

■Change FPS Settings
1. From the title screen, tap “Menu.”
2. Tap Settings, then tap “System.”
3. Try changing the FPS values.

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▼ What to Try on Your Device

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■Restart Your Device and App
Close the app, then restart both your device and the app.

■Check Your Network Connection
Ensure you are in a location with a stable network connection before launching the app.

■Check Your App's Version
Check your platform's store and update to the newest version.

■ Temporarily Disable Low Power Mode
Disable Low Power Mode/Power Saving Mode on your device, then launch MementoMori.

■Launch the App on Its Own
Close all other apps running in the background, then launch only MementoMori.

■Check Your Available Storage Space
Ensure your device has sufficient storage, or free up space by deleting unnecessary apps or data.

■Reinstall the App
Temporarily delete the app, then try reinstalling it.
*Before reinstalling, be sure to perform an Account Link to avoid losing your data.
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The minimum system requirements for MementoMori are as follows:
▼ Minimum Requirements
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iOS/Android
・iOS: iOS 13 or later
*Recommended on iPhone 8 or later
・Android: Android 11 or later
*Recommended on devices with over 2GB of RAM

*The OS requirement is not based on what is currently installed on your device, but what was installed at the time of your device’s release. Otherwise, we cannot guarantee the game will operate on your device correctly.
*Both iOS and Android require at least 2GB of RAM.

■PC
・OS: Windows 10 (64 bit) / 11
・CPU: Core i3-3225 / AMD A8-7650K or higher
・Memory: 4GB or more
・Graphics Card: GeForce GT 640 or Radeon HD 5770 or higher
・DirectX: 11 or higher
*PCs with onboard graphics (integrated GPU) are not supported, so please be careful.

*Some models may not operate correctly even if the system requirements are met.
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If the issue persists after trying the above steps, please report it via “Contact Us.” Please include details of the actions you tried and confirm that the issue remains unresolved. We apologize for the inconvenience and thank you for your understanding.