1. Introduction
Polyhedral ("we," "our," or "us"), operated by Michael Heilemann, 266 Ct Rte 2, Accord, NY 12404, USA, respects your privacy and is committed to protecting your personal data. This Privacy Policy explains how we collect, use, process, and safeguard your information when you use our AI-enhanced tabletop RPG platform.
2. Information We Collect
2.1 Account Information
- Account Details: Email address, username, profile information
- Authentication Data: Password hashes, login sessions, security tokens
- Profile Data: Display name, avatar images, preferences and settings
2.2 Game Content
- Game Data: Game sessions, character information, campaign details
- Chat Messages: Text conversations with other players and AI participants
- File Uploads: PDFs, images, documents shared in games
- Notes and Documentation: Game notes, rules, and custom content
2.3 Audio and Voice Data
- Voice Recordings: Audio captured for transcription purposes
- Transcribed Text: Speech-to-text conversions of voice recordings
- Audio Preferences: Voice selection and audio settings
2.4 AI Interaction Data
- Prompts and Responses: Messages sent to and received from AI systems
- Usage Patterns: How you interact with AI features and tools
- Preference Data: AI personality settings, role configurations
2.5 Technical Information
- Device Data: Browser type and operating system (we do not collect device fingerprints or persistent device identifiers)
- Usage Analytics: Page views, feature usage, session duration
- Performance Data: Error logs, response times, system performance
- Network Information: IP address, general geographic region
2.6 Cookies
We use a minimal set of cookies:
- Authentication Cookies: Session cookies set by Supabase for login and account security. These are essential for the service to function.
- Locale Preference: A cookie storing your preferred language setting.
Our primary analytics provider (Plausible) does not use cookies and does not track you across websites. Vercel Analytics, used for performance monitoring in production, uses minimal cookies. We do not use third-party advertising or tracking cookies.
3. How We Use Your Information
3.1 Legal Basis
We process your data on the following legal grounds: (a) contract performance — your account data, game content, and AI processing are necessary to deliver the service you signed up for; (b) legitimate interest — analytics, security monitoring, and bug detection help us keep the platform secure and improve it; (c) consent — optional features like voice recording require your explicit action to activate. You can withdraw consent for optional features at any time by disabling them.
3.2 Service Provision
- Platform Operation: Providing core RPG platform functionality
- Account Management: User authentication, profile management
- Game Facilitation: Enabling multiplayer games and AI interactions
- Content Storage: Saving and organizing your game content
3.3 AI Services
- Content Processing: Analyzing uploads for search and AI enhancement
- Response Generation: Creating AI-powered game master and player responses
- Personalization: Customizing AI behavior based on your preferences
- Context Understanding: Processing game history to provide relevant AI responses
3.4 AI Training and Model Improvement
- No Training Data Usage: Your content is never used to train or improve AI models
- Provider Selection: We specifically choose AI providers who do not train on user data
- Immediate Processing Only: AI interactions are processed solely for real-time response generation
- No Persistent Storage: User data is not stored by AI providers for training purposes
- Aggregated Analytics: Only anonymized, aggregated usage patterns may inform platform improvements
3.5 Platform Improvement
- Feature Development: Understanding usage to build better features
- Performance Optimization: Improving platform speed and reliability
- Bug Detection: Identifying and fixing technical issues
- Security Enhancement: Protecting against threats and abuse
4. Information Sharing and Disclosure
We do not sell your personal data. We share data only with service providers necessary to operate the platform, and only for the purposes described below.
4.1 Third-Party Service Providers
Supabase (Database and Authentication)
- Purpose: User authentication, data storage, real-time features
- Data Shared: Account information, game content, usage data
- Location: Primary data storage in the United States
- Privacy Policy: https://supabase.com/privacy
Anthropic (AI Services)
- Purpose: AI-powered game master and player functionality
- Data Shared: Game context, chat messages, user prompts
- Processing: Temporary processing for response generation
- API Data Policy: Anthropic's consumer training policies do not apply to API usage. Our API data is not used for model training.
- Privacy Policy: https://www.anthropic.com/privacy
OpenAI (Speech & Embedding Services)
- Purpose: Text-to-speech, speech-to-text, and semantic search embeddings
- Data Shared: Voice recordings, text for speech generation, document text for search indexing
- Processing: Real-time processing for audio features and search
- API Data Policy: OpenAI does not use API data for training by default. Our API usage is governed by commercial terms, not consumer policies.
- Privacy Policy: https://openai.com/policies/row-privacy-policy/
Vercel (Hosting and Performance)
- Purpose: Platform hosting, performance monitoring
- Data Shared: Performance metrics, error data
- Location: Global content delivery network
- Privacy Policy: https://vercel.com/legal/privacy-policy
Plausible (Analytics)
- Purpose: Privacy-focused usage analytics
- Data Shared: Anonymized page views and feature usage events (no personal data, no cookies, no cross-site tracking)
- Location: EU-hosted infrastructure
- Privacy Policy: https://plausible.io/privacy
4.2 Legal Requirements
We may disclose your information when required by law, including:
- Legal Process: Court orders, subpoenas, legal investigations
- Safety Protection: Preventing harm to users or the public
- Rights Enforcement: Protecting our intellectual property and rights
- Regulatory Compliance: Meeting applicable legal obligations
5. Data Security and Protection
5.1 Security Measures
- Encryption: Data encrypted in transit (TLS) and at rest
- Access Controls: Limited access to personal data on a need-to-know basis
- Authentication: Secure session management via Supabase
- Monitoring: Security monitoring and threat detection
5.2 Data Retention
- Account and Game Data: Retained while your account is active. Your games, notes, uploads, chat messages, and other content persist until you delete them or close your account.
- After Account Closure: Account data is deleted within 30 days of cancellation. Backups containing your data are purged within 90 days.
- Voice Recordings: Raw audio is deleted after transcription. Text transcripts remain in your game.
- Analytics Data: Anonymized, aggregated analytics are retained indefinitely for platform improvement. These cannot be linked back to you.
6. Your Privacy Rights
6.1 All Users
Regardless of where you live, you can:
- Access: Request a copy of the personal data we hold about you
- Correct: Update or fix inaccurate account information
- Delete: Delete your account and all associated data
- Export: Download your content (games, notes, uploads) in a portable format. Your data is yours — you can take it with you.
- Control: Manage, edit, or remove specific game content at any time
6.2 European Economic Area and UK (GDPR)
If you are in the EEA or UK, you also have the right to:
- Data Portability: Receive your personal data in a structured, machine-readable format
- Restrict Processing: Ask us to limit how we use your data in certain circumstances
- Object to Processing: Object to processing based on legitimate interest
- Withdraw Consent: Withdraw consent for optional data processing at any time, without affecting processing that occurred before withdrawal
- Lodge a Complaint: File a complaint with your local data protection authority
6.3 California (CCPA/CPRA)
If you are a California resident:
- Right to Know: You can request the categories and specific pieces of personal information we have collected
- Right to Delete: You can request deletion of your personal information
- No Sale of Data: We do not sell or share your personal information for cross-context behavioral advertising
- Non-Discrimination: We will not discriminate against you for exercising your privacy rights
To exercise any of these rights, contact us at support@polyhedral.co. We will respond within 30 days (or sooner where required by law).
7. International Data Transfers
Your data is primarily stored in the United States. If you access the service from outside the US, your data will be transferred to and processed in the US. We use service providers that may process data in other regions:
- Supabase, Anthropic, OpenAI: United States
- Vercel: Global CDN with edge processing
- Plausible: European Union
For transfers from the EEA/UK, we rely on standard contractual clauses and our providers' data processing agreements. Where our providers are certified under the EU-US Data Privacy Framework, that certification provides an additional transfer mechanism.
8. Children's Privacy
- Minimum Age: The service is intended for users 13 years and older. Users 13–16 in the EEA/UK require parental consent.
- No Knowing Collection: We do not knowingly collect personal data from children under 13. If we learn we have collected data from a child under 13, we will delete it promptly.
- Parental Contact: If you believe your child has provided us with personal data, contact support@polyhedral.co.
9. Changes to This Privacy Policy
We may update this policy from time to time. For significant changes — especially changes to what data we collect, how we use it, or who we share it with — we will notify you via email or in-app notice before the changes take effect. The "last updated" date at the top reflects the most recent revision.
10. Contact
For questions about this Privacy Policy, to exercise your privacy rights, or to raise a concern about how your data is handled, contact us at support@polyhedral.co. We aim to respond within 30 days.
This Privacy Policy is effective as of the last updated date and applies to all users of Polyhedral.