World-building needs structure, not just imagination

    The Brainstorm Engine is the answer

    Lore bibles, character arcs, faction relationships, narrative branches, timeline consistency. A Google Doc can't model a world. Structured narrative and world-building tools. Map relationships, track timelines, branch storylines. All interconnected, all offline.

    The Brainstorm Engine is a single-file engine with 8 tools that runs entirely in your browser. The Brainstorm Engine is a self-contained creative ideation environment. Capture ideas on a colour-coded wall with voting. Map concepts visually on an interactive canvas. Challenge assumptions with structured techniques — reverse brainstorm, SCAMPER, worst possible idea, and more. Summon The Muse for AI-powered creative dialogue via local Ollama. Refine raw ideas into polished concepts on the Refinery board. Time your creative sprints with the focus timer. Install Spark Packs to load domain-specific prompts and techniques. Everything saves locally. Nothing phones home.

    WHAT'S INSIDE

    8 tools in a single HTML file

    Idea Wall

    Colour-coded idea cards with voting, selection, and lineage tracking. Tag ideas by type — spark, question, constraint, mutation. Select multiple cards to combine them into hybrid concepts.

    Mind Map

    Interactive concept canvas with draggable nodes and edges. Central nodes anchor your thinking; related nodes orbit. Add, connect, and delete visually. Renders as SVG.

    Challenge Lab

    Structured creative techniques: Reverse Brainstorm, SCAMPER, Worst Possible Idea, Random Stimulus, Assumption Busting, and Six Thinking Hats. Each generates AI-powered responses grounded in your ideas.

    The Muse (AI Chat)

    Creative dialogue partner powered by local Ollama. The Muse knows your ideas, your mind map, and your challenge responses. Ask it to combine, critique, extend, or transform your thinking.

    HOW IT WORKS

    Three steps. No setup.

    1

    Download the file

    Purchase The Brainstorm Engine and download a single HTML file. No installer, no account, no setup.

    2

    Open in any browser

    Double-click to open in Chrome, Firefox, Safari, or Edge. Works on any operating system.

    3

    Start working

    Your data stays in your browser's local storage. Nothing is uploaded. Ever.

    COMPLIANCE & GEOGRAPHY
    Global

    Works in any country. No server dependency, no regional restrictions.

    FAQ

    Frequently Asked Questions

    How does The Brainstorm Engine solve the game world building problem?

    The Brainstorm Engine runs entirely in your browser. Lore bibles, character arcs, faction relationships, narrative branches, timeline consistency. A Google Doc can't model a world. Structured narrative and world-building tools. Map relationships, track timelines, branch storylines. All interconnected, all offline. Idea wall with colour-coded cards, interactive mind map, challenge lab with structured techniques, AI muse for creative dialogue, refinement board, focus timer, and Spark Packs — seven tools for turning sparks into fire.

    Is my data safe with The Brainstorm Engine?

    Yes. The Brainstorm Engine is a single HTML file. It never connects to any server. Your data stays in your browser's local storage on your device.

    What makes The Brainstorm Engine different from cloud tools?

    Cloud tools require internet, charge subscriptions, and store your data externally. The Brainstorm Engine is a one-time purchase ($69), works offline, and never transmits data.

    Is The Brainstorm Engine really just one file?

    Yes. The Brainstorm Engine is a single HTML file containing 8 tools. Download it, open it in any browser, and start working. No installation, no dependencies, no accounts.

    No cloud One fileOne-time purchase
    Get The Brainstorm Engine — $69

    Sovereignty as a Service