# Building a multiplayer game world with autonomous Fable-class models

- Source: Simon Willison (LLMs)
- Published: 2026-10-29T17:00:26+00:00
- Category: Tech
- Original: https://simonwillison.net/2026/Oct/29/how-i-built-the-most-ai-pilled-company-in-the-world/
- Canonical: https://groundlevelnews.com/story/building-a-multiplayer-game-world-with-autonomous-fable-class-models-672400/

How I Built the Most AI-Pilled Company in the World Don't be put off by the clickbait headline, this piece by Jacob Sansbury describing how they are building Spawn is a fascinating exploration of the bleeding edge of what's possible with agentic engineering against frontier models. Spawn is a massively multiplayer gaming environment where players can use prompts (to the in-game agent, Savi) to mod

_Ground Level News shows a short summary only; the full article and all rights belong to Simon Willison (LLMs)._