Years of work.
One prompt away.
The first agentic game engine. Describe the world you see —
Ocsidian builds it, plays it, and hands you a real, shippable game.
Built to impress the teams shaping AI, games, and infrastructure.
Describe a world. Watch it build itself.
“Create a medieval village at the base of a snow-capped mountain. Add a blacksmith shop with a working forge, a tavern with ambient firelight, and wandering NPCs with unique dialogue trees.”
The AGE powering playable worlds.
Ocsidian's Agentic Gaming Environment is our own engine layer built on top of Godot's foundations. Agents, rendering, simulation, and live playtesting run inside one runtime, so the worlds you describe can become real playable builds.
Fast Iteration
Prompt, build, inspect, and refine without leaving the creation loop.
Full-Fidelity Runtime
Rendering, physics, world logic, and playable systems move together.
Live Playtesting
Scenes become playable early, so the game can be felt while it forms.
Agentic Creation
Specialized agents coordinate environment, combat, cameras, and polish.
Engine-native agents build in parallel
Generated heightmap with erosion simulation. Placed 340 foliage actors across biome zones.
Set up day/night cycle with volumetric fog. Configuring atmospheric scattering...
Created 8 unique NPCs with skeletal meshes and animation graphs. Rigging complete.
Wired behavior trees for patrol, combat, and idle states. Dialogue system integrated with 42 branching nodes.
Play your world as it's being built
The new way to build games.
“I described a zombie survival game set in a flooded city. Twenty minutes later I was playtesting it. I still can't wrap my head around that.”
“We used to spend three months on environment art alone. Ocsidian collapses that into a conversation. Our team can finally focus on what makes our game unique.”
“The fact that it feels like a real engine — not some toy sandbox — is what sets it apart. This is professional-grade from day one.”
“I'm a writer, not a programmer. Ocsidian let me build the world I've been imagining for years and actually walk through it. That's never been possible before.”
“We use Ocsidian for rapid prototyping now. Before a single line of production code is written, the entire team can experience the game. It changed how we greenlight projects.”
“Natural language to playable worlds — that's not a feature, it's a paradigm shift. Ocsidian is the most important tool to hit game development in a decade.”
The Ocsidian edge
Built for playable worlds.
Agentic runtime
One engine layer for agents, rendering, and live playtests.
Ocside-native creation
Agents write in Ocside — your project's language. Scene edits, systems, and builds stay scoped to your world, not a pasted-on chat shell.
Prompt to playable
Go from idea to a running build inside Ocsidian's engine — readable systems, fast playtests, and export-ready projects without breaking the loop.
Your worlds stay yours
Projects, assets, and game logic are never used to train models and never leave your control.
Built for builders
Solo devs, small teams, and studios — the same loop from first prompt to shippable world.
Plug Ocsidian into the tools your team already uses.
Add repositories, databases, design files, deployment services, observability, and support tools to the same agentic game-building loop.
Plug Ocsidian into the tools your team already uses.
Add repositories, databases, design files, deployment services, observability, and support tools to the same agentic game-building loop.
Changelog
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Check out more announcements about Ocsidian
Your first world is waiting.
Describe it. Build it. Play it. Start creating for free.