Click on 'Go to offer' to begin. Fill out the required information with valid details to complete the Rewardis - Mystery Box Prize offer. Make sure to provide accurate and truthful information to qualify for the reward. Once you have submitted all the necessary details, wait for confirmation of completion. Keep an eye out for any additional steps or instructions that may be provided to claim your mystery box prize. Thank you for participating in this offer.

Devices:

- ios
- android
- windows

Regions:

- Poland