DoM, K.K. ("we", "us") provides this Privacy Policy ("Policy") describing how user information is
handled in the mobile game "Cubelines" (the "App"). Please read this Policy before
using the App.
1. Information We Collect
The App does not collect information that directly identifies you, such as your name, postal
address, phone number, or email address. We may, however, collect and use the following:
Nickname: an optional display name you enter when submitting to the leaderboard.
Score and gameplay progress: used to provide the leaderboard and game features.
Anonymous user ID: a random ID generated by Firebase Authentication (anonymous
sign-in). It does not identify you personally.
Advertising-related information: for ad delivery, including advertising
identifiers (Android Advertising ID / iOS IDFA, etc.), device and OS information, approximate
location, IP address, and ad impression/interaction data.
Anti-abuse information: tokens used by App Check to verify that requests come
from a genuine instance of the App.
2. How We Use Information
To provide App features such as the online leaderboard
To display, deliver, and optimize advertising
To prevent fraud and unauthorized use
To improve quality and fix issues
3. Third-Party Services
The App uses the following third-party services. Information is processed in accordance with each
provider's terms.
Through these services, information may be transmitted to and stored on servers outside your
country (e.g., the United States).
4. Advertising and Tracking
The App displays advertising via Google AdMob (banner, interstitial, and rewarded).
Advertising identifiers may be used to personalize ads.
iOS: In accordance with App Tracking Transparency, the App presents a prompt
requesting permission to track. You may decline; the App remains fully playable (ads may be
non-personalized).
You can reset your advertising identifier or opt out of personalized ads in your device
settings (Android: Settings > Google > Ads / iOS: Settings > Privacy & Security > Tracking).
5. Children's Privacy
The App is not primarily directed to children under 13. If you believe a child under 13 has
provided personal information, please contact us using the details below.
6. Data Storage and Deletion
Nicknames and scores are stored on a server (Cloud Firestore) to provide the leaderboard. To
request deletion of your record, please contact us below. In-app save data is stored on your device
and is removed when you delete the App.
7. Security
We take reasonable measures to protect the information we collect against leakage, alteration,
and unauthorized access.
8. Changes to This Policy
We may update this Policy as needed. Significant changes will be announced on this page. The
updated Policy takes effect when posted here.
9. Contact
For questions about this Policy or our handling of information, please contact: