There was a bug/error during gameplay.

If you have any issues playing the game due to unknown bugs/errors, let us know at Defense Derby Support and we’ll quickly provide support.

Please feel free to report any bugs you find in the game.

Attaching a screenshot or a video of the gameplay error helps us to swiftly check and fix it.
However, please understand that we don’t provide you with details about the progress.

Note that we will conduct a thorough review and take appropriate measures under our operation policy if any bug abuse is identified.