Nexus is a fully self-contained AI text adventure engine that runs on your machine | no cloud, no subscriptions to AI APIs, no limits. Just you, your story, and a 12-billion-parameter Game Master.
One-time purchase · $8.99 · Yours forever · No AI API costs ever
// What is Nexus
Nexus ships as a single double-click executable. It silently boots a local AI engine, downloads a 12-billion-parameter language model once, then opens a cinematic browser interface - all without you ever touching a terminal or paying ongoing API fees.
Every story you tell stays on your machine. Your inventory, your companions, your choices - all tracked with mechanical precision by a Game Master who remembers everything and enforces real consequences.
// Core Engine Features
// Getting Started
// Gallery
// Pricing
No subscriptions. No AI API costs. No usage limits. Buy once and the engine is yours, forever, running entirely on your hardware.
Everything you need to run an infinite AI-driven text adventure on your own machine - no ongoing costs, ever.
// Player Dispatches
"I’ve bounced between a bunch of AI RPG tools, but Nexus is the first one that actually feels like playing with a real GM. If I don’t have an item, I can’t magically use it. Actions actually have consequences too. I betrayed a merchant early on and the game brought it back up way later in a way that completely caught me off guard."
"Setup was way easier than I expected. I just opened the app, pasted my key, let the model download, and I was playing within minutes. No messing around with terminals or config files. Everything worked out of the box."
"I’m usually pretty skeptical about local AI apps, especially anything managing Ollama in the background. But after checking how they handled it, I was impressed. It only closes Ollama if it launched it itself, which means it doesn’t interfere with my own setup. Small detail, but it shows real care went into this."
"The writing quality surprised me the most. I ended up playing as a disgraced doctor in this grim Victorian plague city, and the atmosphere stayed consistent the entire time. The game never drifted out of character, even after long sessions."
"Honestly, the value is kind of ridiculous. I paid once and that was it. Since it runs locally, I don’t have to worry about subscriptions or paying every time I want a long roleplay session. I’ve already gotten weeks out of it."
"The save system is awesome. I reached a major decision in my campaign, made two separate saves, and played out both outcomes. It genuinely felt like exploring alternate timelines in my own story."
// Frequently Asked
// Contact
Questions about the engine, licensing, refunds, or technical support? We respond within 24 hours, usually much faster.