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Collabook is a free, open-source collaborative RPG with an AI Dungeon Master that reacts dynamically to your choices. Each adventure has a time limit — survive the challenges before the clock runs out.
Play solo or cross paths with other players in the same world. When your story ends, download it as a PDF to keep forever.
Privacy-first, no paywalls, no real names required. Three worlds: Medieval, Epic Fantasy, Sci-Fi.
CollabookAI-powered collaborative RPG — your story, your legend
Alessandro Perottileft a comment
I've always loved two things: reading gamebooks — those "choose your own adventure" novels where every decision shapes the story — and building software. Collabook was born at the intersection of both. But there's a third ingredient: I built this entire project using vibe coding — letting an LLM guide and accelerate the development process, with Google's Antigravity framework under the hood. It...
CollabookAI-powered collaborative RPG — your story, your legend