Generate campaign-ready RPG elements in seconds — no account required.
Create sinister grimoires, heretical treatises, and esoteric manuscripts with binding details, readable excerpts, investigation risks, and adventure hooks. Works without login, then saves directly to your local Codex vault.
Set your inputs — your draft updates to the right
Generated drafts appear here automatically. Choose which ones to reuse as context or save to Codex.
GM Reference
At the Table
GM utility details appear here after generation.
It produces a complete RPG book entry — title, author, binding materials and physical condition, a significant readable excerpt or marginal gloss, revelations or mechanical boons, reading hazards and investigation risks, current custodian and provenance, and table-ready campaign hooks.
Yes. The generator is system-neutral and designed for Call of Cthulhu, Delta Green, Vaesen, Kult, D&D, OSR, and sci-fi games like Mothership or Lancer. It generates authentic period or genre tone, investigative clues, and narrative hazards rather than hardcoded dice math.
Yes. In addition to fantasy grimoires and cosmic horror texts, it generates cyberpunk datapad archives, sci-fi precursor telemetry slates, post-apocalyptic bunker diaries, steampunk mechanist folios, and modern conspiracy intelligence files across 13 distinct world themes.
No. You can configure, generate, and copy tome notes without signing in. Selecting 'Save to Codex' stores the draft in your browser's local storage so it imports into your Codex Cryptica campaign vault as a connected Item entity.