Privacy Policy — One Line Master

Last updated: June 6, 2026
Effective date: June 6, 2026

1. Introduction

One Line Master ("we", "our", or "the game") is a puzzle game developed and operated by its creator ("Developer"). This Privacy Policy explains what personal information we collect, why we collect it, how we use and protect it, and your rights as a user.

By downloading, installing, or playing One Line Master, you agree to the practices described in this Privacy Policy.

2. Information We Collect

2.1 Account & Identity Data

When you create a profile in One Line Master, we collect:

Username — chosen by you, displayed publicly on rankings.
Email address — used for account authentication, friend invitations, and challenge notifications.
Avatar seed — a code that generates your avatar image. Not a real photo.
Country — optionally associated with your profile and used for country-based rankings.

2.2 Game Performance Data

Total points accumulated across all levels.
Levels completed.
World records.
Level records.
Global records.
Season records.
ExRecord historical records.

2.3 Social & Interaction Data

Friendship data.
Challenge data.
Challenge results.
Friend requests status.

2.4 Economy & Virtual Goods Data

Coins and Gems.
Elite Pass status.
Elite Pass XP.
Daily ads watched.
Daily reward streak.
Last claimed reward date.
Active boosters.
Purchased avatars.
Unlocked skins.
Active skin.

2.5 Custom Level Data

Level name.
Pack.
Difficulty.
Dots and edges.
Public/private visibility status.

2.6 Technical & Device Data

IP address.
Device type and operating system.
Session timestamps.
User agent and browser information.

We do not directly collect device advertising IDs (GAID/IDFA), but third-party advertising SDKs may do so.

3. Why We Collect Each Data Point

Data	Purpose
Username	Identify players in rankings and leaderboards.
Email	Authentication and social features.
Avatar Seed	Display player identity.
Country	Country rankings.
Points, Levels and Records	Leaderboards and Hall of Fame.
Friendship Data	Friend system.
Challenge Data	Competitive challenge system.
Coins, Gems and Elite Pass	Economy and premium content.
Daily Ads Watched	Prevent abuse.
Custom Levels	Community content features.
Technical Data	Security and performance.

4. How Data Is Stored

All game data is stored on Base44 cloud infrastructure, running on enterprise-grade cloud providers.

Data may be stored in Brazil and/or the United States.
Data is retained while your account remains active.
Deletion requests are processed within 30 days.
Anonymous and aggregate statistics may be retained.

5. Third-Party Services

5.1 Base44

The game backend runs on Base44 and handles authentication, database storage, and API services.

Website: https://base44.com

5.2 Google Authentication

Google OAuth may be used for login authentication.

Google Privacy Policy: https://policies.google.com/privacy

5.3 Rewarded Advertising

One Line Master uses opt-in rewarded ads. Players voluntarily choose when to watch an advertisement in exchange for rewards.

We use or plan to use AppLovin MAX.

AppLovin Privacy Policy: https://www.applovin.com/privacy/

5.4 Firebase (if implemented)

Firebase Analytics and Crashlytics may be integrated in future versions.

Firebase Privacy Policy: https://firebase.google.com/support/privacy

5.5 Google Play Games Services (if integrated)

Achievements and leaderboard information may be shared with Google Play Games.

Google Privacy Policy: https://policies.google.com/privacy

6. Data Sharing

We do not sell personal information.

Information may be shared only:

With Base44.
With AppLovin and ad partners.
With Google authentication services.
Publicly inside rankings and challenge systems.
When required by law.

7. Children's Privacy

One Line Master is intended for users aged 13 years or older.

We do not knowingly collect personal information from children under 13.

8. Your Rights

Depending on your location, you may have rights under LGPD, GDPR, or other applicable privacy laws.

Access your personal data.
Correct inaccurate data.
Delete your account data.
Request data portability.
Withdraw consent.
Request information about data sharing.

To exercise any of these rights, contact:

suporte.airesdigital@gmail.com

We will respond within 15 business days (LGPD) or 30 days (GDPR).

9. Data Security

We implement reasonable security measures including:

HTTPS encryption.
Access controls.
Secure cloud infrastructure.
Restricted access to personal data.

10. Data Retention

Data Type	Retention Period
Active Account Data	While account remains active.
Challenge Records	7 days after expiration.
Season Records	Retained for Hall of Fame history.
Economy Data	While account remains active.
Deleted Account Data	Removed within 30 days.

11. International Data Transfers

Your information may be transferred to and processed in countries other than your own, including the United States.

12. Changes to This Policy

We may update this Privacy Policy from time to time. The updated version will always be available on our website.

13. Contact

If you have any questions, requests, or complaints regarding this Privacy Policy, contact us:

Developer: One Line Master
Email: suporte.airesdigital@gmail.com
Website: https://airesdigitalstudio.github.io/one-line-master/