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Aevum Realm Architect
ChatGPTClaudeGemini v1.0

Aevum Realm Architect

Rise from serf to sovereign in a deterministic kingdom-builder that runs on ChatGPT, Claude, or Gemini.

Fantasy · Kingdom Builder · Strategy · Roleplay · by Arcanum

Aevum Realm Architect is a complete, two-file LLM RPG that turns any major AI model into a grounded medieval world simulator. You start as a serf with one copper piece and climb — through trade, war, diplomacy, and intrigue — to the throne of a realm. Every outcome is deterministic: your preparation and planning decide battles, not dice. A tag-based economy tracks your domain, your forces, and your treasury turn by turn, and an always-on HUD keeps the numbers honest.

The world is built on a nearly 30,000-word Atlas covering five historically-inspired nations, named trade routes, seasonal economics, and a rigid social hierarchy enforced by the game’s Deference Engine — the mechanic that makes your rise from serf to monarch feel genuinely earned. Romance, espionage, command, and the ruins of a lost magic empire round out a system that plays more like a strategy game than a chat session.

Download both files, load them into your model of choice, and read the full review and install guide for step-by-step setup on ChatGPT, Claude, and Gemini.

↓ Download the files

Create a new Project (Claude), GPT (ChatGPT) or Gem (Gemini), then attach these files and paste the master prompt. Install steps above.

  • Aevum-Master-Prompt.txtMaster prompt — paste into instructions
    Download
  • Aevum-Realm-Atlas.docxWorld encyclopedia — upload as knowledge file
    Download