Privacy Policy
Last updated: August 23, 2026
K13 Studio (“we”, “our”, or “us”) respects your privacy. This Privacy Policy explains how we handle information when you use our mobile games published on Google Play.
Information We Collect
Account Information: Our games require an in-game account with a username. We store your username and account identifier. Google sign-in is optional. If you choose to use Google sign-in, Firebase may process your Google name, email address, and Firebase user identifier.
Game Data: Game progress is automatically stored through Firebase when an account is connected and an internet connection is available. This may include high scores, username, owned items, virtual currency and other gameplay data.
Analytics Data: We store basic gameplay and usage data in Firebase Firestore to improve the game, maintain services, and detect cheating or abuse.
Advertising Data: Our games use Google AdMob, which may collect information such as device identifiers, advertising identifiers, IP address, and ad interactions to provide personalized or non-personalized advertising.
Purchase Data: In-app purchases, if available, are processed through Google Play Billing. We do not collect or store payment card information.
How We Use Information
We use this information to:
Provide accounts, cloud saves, and leaderboards.
Maintain and improve the game.
Display advertisements.
Process in-app purchases.
Detect cheating, abuse, or suspicious activity.
We do not sell your information.
Third-Party Services
Our games use:
Firebase Authentication and Firestore — accounts and game data.
Google AdMob — advertising.
Google Play Billing — in-app purchases.
These services may process information according to their own policies.
Google’s Privacy Policy:
https://policies.google.com/privacy
Data Retention
We retain account and game data while your account is active or as needed to provide our services, maintain security, prevent abuse, or comply with legal obligations.
Third-party services may retain data according to their own retention policies.
Data Deletion
You may request deletion of your account and associated game data by contacting:
To help us identify your account, please provide your username, current Koinz balance, current high score, and, if you use Google sign-in, your Google account email address.
We will delete the data we control and are able to delete, subject to legal or legitimate security and fraud-prevention requirements.
Children’s Privacy
Our games are intended for a general audience, including children. We do not knowingly collect personal information from children beyond what is necessary to provide the game and its features. Where applicable, advertising follows Google’s Families Policy requirements.
Credits
This game uses textures from Solar System Scope, available at: https://www.solarsystemscope.com/textures/
These assets are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0):
https://creativecommons.org/licenses/by/4.0/
This app includes music by Kevin MacLeod (incompetech.com), licensed under Creative Commons: By Attribution 3.0.
http://creativecommons.org/licenses/by/3.0/
Contact
If you have any questions about this Privacy Policy or data deletion you can contact us at:
📧 k13labz+support@gmail.com