In order to ensure you are playing Chaos Battle League in its most optimized form for your device please do the following:
1. Ensure you are on a strong and stable internet connection
2. Try adjusting the graphics quality slider located in the in Chaos Battle League game settings menu.
3. Ensure when you booted the title for the first time you were not presented with a prompt notifying you that your devices is unsupported, such as: "We're sorry, but your device is not supported by Chaos Battle League"
4. Ensure your device is updated and operating on the latest supported OS
5. In the case you are using a Samsung S8 & S8+ Turn off Full Screen Mode in that game settings if you are experiencing visual issues.