Free RPG Campaign Manager & Lore Vault
Stop fighting scattered folders. Organize campaign notes, characters, locations, and timelines inside a private, local-first database with connected knowledge graphs.
Everything you need to run your campaign
Linked Knowledge Graph
Connect characters, factions, and cities visually. Navigate your campaign lore like a local wiki.
Tactical Mapping
Pin campaign locations directly on interactive high-res maps with customizable spatial markers.
Era-Based Timelines
Track world history, player quest logs, and faction agendas across chronological eras.
AI-Powered Lore Oracle
Co-author stories, parse draft summaries, and generate visual character art using local Gemini models.
Scratchpad & Notes
Jot down session logs, inventory, and rule lookups in a fast, hotkey-triggerable side panel.
Total Local Privacy
No remote databases, login prompt, or email lists. Your notes stay encrypted on your hard drive.
Why Codex Cryptica?
How our structured, local-first database compares to traditional note tools or spreadsheets.
| Feature | Spreadsheets / Docs | Codex Cryptica |
|---|---|---|
| Lore Relationships | Flat list or links that break easily. | Interactive Graph & Auto-Backlinks |
| Offline Availability | Varies; cloud documents lag or fail. | 100% Offline-capable (Client-first) |
| Data Privacy | Stored on cloud servers; data scraped. | Private local-first files (OPFS) |
| Chronology | Manually typed calendars; easily disjointed. | Era-based, timeline integrated |
Frequently Asked Questions
Is Codex Cryptica really free?
Yes. Codex Cryptica is a completely free, local-first campaign manager. All campaign files, databases, and note storage run locally inside your browser using the Origin Private File System (OPFS), requiring no paid subscriptions, accounts, or advertisements.
Where is my campaign data stored?
Your campaign notes and worldbuilding files are stored locally on your device's hard drive using the browser's Origin Private File System (OPFS). Codex Cryptica does not host, sync, or upload your campaign data to external servers, guaranteeing complete privacy.
Does this RPG campaign manager work offline?
Absolutely. Because Codex Cryptica is built as a local-first application, you can view your interactive relationship maps, track game timelines, and edit all campaign notes completely offline at the table without any network connection.
How does the AI GM assistant work?
Codex Cryptica's AI Lore Oracle assistant integrates directly with your own Google Gemini API key, which can be configured securely in the settings panel. Codex Cryptica also provides a shared system proxy for quick, free trials of the AI co-author features.
Take control of your campaign notes
Create your first vault today. Drag and drop locations, link quests, and write your story in absolute local privacy.