Chronostates is an AI-powered platform that combines interactive alternate history simulation, worldbuilding, and book generation. Designed for storytellers, writers, and history enthusiasts, it enables users to explore 'what-if' scenarios by making decisions that alter the course of history, with each choice producing cascading consequences that shape the evolving world state. The platform supports both prebuilt scenarios—such as "The Gettysburg Gambit," "Cuban Midnight," and "First Contact: 1492"—and the creation of custom worlds from scratch, allowing players to engage with historical events or invent entirely new timelines.
Key features include AI-generated event narratives, persistent tracking of political, economic, technological, and cultural changes, and an auto-generating "World Bible" that compiles lore, characters, factions, and historical developments as play progresses. Each event presents multiple choices, and users can play as any character from any point in history, with the outcomes of their decisions propagating through time. The platform also offers a content library for sharing, forking, and rating worlds within the community.
Chronostates incorporates a book engine where a council of seven large language models (LLMs) collaborate to write, rank, and synthesize chapters, transforming the outcomes of interactive simulations into AI-generated novels. Users can publish their sagas, generate book covers, and access a publishing and marketing pipeline. Additional features at higher subscription tiers include image and audio generation, connectors for posting to platforms like Substack, Patreon, YouTube, and TikTok, and access to a book editor.
The service is web-based and offers a range of pricing plans. A free tier provides access to five prebuilt scenarios, sandbox mode, event generation, and summary features. Paid plans, ranging from $10 to $80 per month, expand access to scenario creation, event limits, book generation, content sharing, and advanced creative tools. Chronostates positions itself as a comprehensive solution for interactive storytelling, alternate history simulation, and AI-assisted novel creation.
In the Games space, Chronostates takes a focused approach. It focuses on creating and exploring alternate history scenarios with AI-driven storytelling and worldbuilding. It is built as a consumer product for writers, gamers, and worldbuilders. A free plan is available. Chronostates is available on the web.
Chronostates first shipped in 2026. Key capabilities include worldbuilding, AI storytelling, and scenario simulation.
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