A World That Remembers
Our RAG-powered memory core ensures NPCs recall past conversations and events, creating a truly consistent and believable narrative.
Your AI Co-Author
Leverage AI as a creative partner to generate characters, descriptions, lore, and even portraits, bringing your vision to life faster.
Unscripted Storylines
Move beyond branching paths. The AI acts as a live Game Master, weaving a fluid story that adapts to your every action.
Infinite Realities
The genre-agnostic engine can power a gritty sci-fi thriller or a high-fantasy epic. We provide the intelligence, you provide the soul.
The Creator's Toolkit
Seamlessly switch between playing an adventure and building one with an intuitive, map-centric world editor.
Deeply Moddable
Customize everything from the UI's aesthetic to the fundamental rules of your world, including stats, skills, and dialogue systems.
Synthasia is more than an engine; it's a new philosophy for interactive storytelling. We pair the limitless potential of Large Language Models with the narrative purity of classic text adventures. The result is a revolutionary engine that creates deeply immersive and dynamic worlds—narratives that don't just react to your choices, but remember and evolve with them.
Core Technology Showcase
The RAG-Powered Memory Core
Unlike traditional games with limited context, Synthasia implements a cutting-edge Retrieval-Augmented Generation (RAG) system. This gives the AI a powerful, searchable "memory" of the entire game world. When you ask an NPC about a specific item or a piece of lore, the RAG system instantly finds the most relevant information and provides it to the AI, resulting in characters who are deeply knowledgeable, consistent, and believable.
The Creator's Command Center
Creation should be intuitive. The Synthasia World Editor is a complete design studio built around an interactive, node-based map. All game data—NPCs, items, lore, and AI directives—is managed in independent, draggable panels. Drag an item from its list and drop it directly onto a location on the map. This seamless workflow, enhanced by an integrated AI Assistant, empowers creators to build vast, complex worlds with unprecedented speed and ease.
Infinite Worlds, Singular Engine
Synthasia's core technology is genre-agnostic. The same powerful memory and dialogue systems can power a gritty sci-fi mystery aboard a derelict starship or a high-fantasy epic in a cursed kingdom. We provide a canvas, not a coloring book. The engine provides the intelligence; you provide the soul.
Join the Journey
Coming Soon to Steam Early Access
Follow our development and add Synthasia to your wishlist to be notified as soon as it's available!
Wishlist on Steam
Join Our Community
Help shape the future of narrative gaming. Join our Discord to share creations, test builds, and discuss the art of storytelling.
Join the Discord