Privacy Policy for Grimoire Groves
Last Updated: March 4th, 2026
Applies To: Xbox Series X|S, Xbox One, Windows via Microsoft Store
1. Introduction
This Privacy Policy explains how Stardust LLC (“we”, “us”, “our”) collects, uses, and protects information when you play Grimoire Groves (the “Game”) on Xbox platforms.
The Game is distributed via the Microsoft Store and Xbox platform services operated by Microsoft Corporation (“Microsoft”).
Microsoft acts as an independent data controller for data it collects through Xbox services.
Our processing activities are limited to the data described below.
2. Data Controllers
2.1 Our Role
We are the data controller for personal data processed directly by us in connection with the Game.
Company Name: Stardust LLC
Address: Im Struppen 21, 8048 Zürich
Email: contact@stardust.ch
2.2 Microsoft’s Role
Microsoft collects and processes data separately through Xbox Live and Microsoft Store services.
Please review:
Xbox Privacy & Safety
Microsoft Privacy Statement
We do not control Microsoft’s data practices.
3. Information We Collect
3.1 Information Received from Xbox Platform
If enabled through Xbox services, we may receive:
Xbox User ID (XUID)
Gamertag
Entitlement confirmation (game ownership)
Achievements and leaderboard data
Country/region (non-precise)
Multiplayer session identifiers (if applicable)
We do not receive:
Payment details
Full Microsoft account information
Passwords
Precise location data
3.2 Automatically Collected Game Data
When you play the Game, we may collect:
Gameplay progress and save data
Session duration
Crash logs and diagnostics
Device type and OS version
Performance metrics
Anti-cheat or anti-fraud signals (if applicable)
3.3 User Communications
If you contact support, we collect:
Email address
Support request content
Diagnostic files you choose to send
4. How We Use the Data
We use personal data strictly to:
Provide and maintain the Game
Enable saved progress and cloud sync (if supported)
Deliver achievements and online features
Improve stability and gameplay experience
Prevent cheating, abuse, or fraud
Comply with legal obligations
We do not:
Sell personal data
Use personal data for behavioral advertising
Share data with unrelated third parties for marketing
5. Legal Bases for Processing (EEA/UK)
Where applicable under GDPR/UK GDPR, we rely on:
Contractual necessity – to provide the Game
Legitimate interests – to improve performance and security
Legal obligation – regulatory compliance
Consent – where required
6. Data Sharing
We may share data only with:
Cloud hosting providers
Crash reporting providers
Security and fraud detection services
All service providers process data under binding data protection agreements.
We do not transfer Xbox platform data outside authorized service providers necessary to operate the Game.
7. Data Retention
We retain personal data only as long as necessary to:
Provide gameplay services
Maintain save files
Meet legal requirements
Resolve disputes
Inactive account data may be deleted or anonymized after 10 years.
8. Children’s Privacy
Grimoire Groves does not knowingly collect personal data from children under 13 (or the applicable minimum age in your jurisdiction).
On Xbox platforms, parental controls are managed through Microsoft’s family safety systems.
If we become aware of unlawful child data collection, we will delete it promptly.
9. International Data Transfers
If data is transferred outside the EEA/UK, we implement safeguards such as:
Standard Contractual Clauses (SCCs)
Equivalent legal mechanisms
10. Data Security
We implement technical and organizational safeguards including:
Encryption in transit
Access controls
Limited data access policies
Secure cloud infrastructure
No system is completely secure, but we follow industry standards.
11. Your Rights
Depending on your jurisdiction, you may have rights to:
Access your personal data
Request correction
Request deletion
Restrict processing
Object to processing
Data portability
Requests can be made at:
contact@stardust.ch
If your request relates to Xbox account data, please contact Microsoft directly.
12. California Privacy Rights (If Applicable)
If you are a California resident:
We do not sell personal information
We do not share personal data for cross-context behavioral advertising
You may request access or deletion of data
Contact: contact@stardust.ch
13. Changes to This Policy
We may update this Privacy Policy. Updates will be reflected by a revised “Last Updated” date. Continued use of the Game constitutes acceptance of changes.