Hidden Door

Hidden Door is a Storytelling platform that APPlies Generative AI to help people play insIDE the worlds of fiction they already know. Founded in 2020, the company describes its goal as building a new kind of story-game experience in which familiar novels can be turned into social role-playing adventures shared online. Rather than offering one fixed nARRative, the platform is designed to let participants shape what happens next while the underlying system keeps the story coherent.

What it does

At its core, Hidden Door takes an existing work of fiction and uses its proprietary AI platform to convert that material into an interACTive, multiplayer-style story setting. Players step into roles drawn from the source material and make choices, with the system responding dynamically instead of following a pre-written script. The company frames this as fan-centric storytelling, AIming to give readers a way to explore characters and settings beyond the page.

Key capabilities

• Fiction-to-game conveRSIon: the platform is built to adapt published novels into playable social scenarios.
• Generative narrative: story events are produced by a proprietary AI system rather than a fixed branching script.
• Social role-play: experiences are designed for groups, with multiple participants playing characters together.
• Creator collaboration: Hidden Door says it works with storytellers from around the world to build immersive experiences.
• browser-based access: the experience is delivered online, so no local installation is required.

Who it is for

Hidden Door is aimed at readers and fans who want to step inside a story rather than simply read it, and at groups looking for a collaborative, text-driven game night. It may also interest storytellers, writers, and rights holders curious about adapting their work into an interactive format, along with people exploring how generative AI can support participatory entertainment.

How to get started

The product is accessible through the official Hidden Door website. Prospective players can visit the site to learn about current experiences and any available sign-up or waitlist options. Because the platform is built around specific fiction licenses and staged rollouts, the exact steps to join may vary, so it is worth checking the site for the latest availability before planning a session.

Pricing and access caveat

Pricing details are not consistently documented and may change as the product develops. Hidden Door appears to involve both free access and paid offerings, but the specifics of tiers, credits, or subscription costs should be confirmed on the official site rather than assumed. Availability may be limited by region, platform capacity, or licensing arrangements for particular works. No version numbers, developer details beyond the company name, or firm pricing claims are asserted here, and readers should treat any third-party summaries as potentially outdated.