Unity Spark vs OrigoZero: make a 3D browser game with AI today
Unity and Google announced Unity Spark on 7 October 2026, with a waitlist. OrigoZero builds 3D browser games with AI today. Here is how they compare.
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Guides, ideas, and updates on building games and 3D worlds with AI agents. Follow along via RSS.
Make a game with Opus 5.5: an AI agent in a game engine that runs in your browser
Opus 5.5 builds games well from one prompt. Connect the AI to a game engine in your browser and it can spawn, playtest and publish a world you can share.
Can AI make a game? Here are the ones it made on OrigoZero
Can AI make a game? 27 games and simulations built by coding agents on OrigoZero, grouped by genre, each one playable in your browser with no download.
A whole fruit fly brain in your browser: the fruitFly package and the two worlds built on it
The complete fruit fly connectome runs as a spiking network in a browser tab, as a package any world can install. Two worlds already build on it.
How to make a game like GTA with AI
How an AI agent built Grand Theft Auto VI, PS1 Demake on OrigoZero in two days: the prompts, the corrections, what the Zero engine handled, and where to play.
Why use ZeroMind to make games
ZeroMind gives your games version control, a shared library of reusable content, and instant browser publishing. Those are the parts of game development engines usually leave you to solve alone.
Best game engines to use with GPT-6 Astra
GPT-6 Astra can drive a game engine over MCP. Seven engines compared on what Astra can run, see and ship, and why Zero is the one built for it.
Make a multiplayer game with AI: a 3D world in 15 minutes with Claude Code
How to make a multiplayer game with AI: point Claude Code at the Zero engine, describe a 3D world, iterate live, and publish a game others can play and fork.
Connect your AI agent to the Zero engine
Bring Your Own Agent: connect Claude Code, Codex, Cursor, Hermes, OpenClaw, or your own AI agent to the Zero engine and go from prompt to a published world.
Top 5 AI game development tools in 2026
Top 5 AI game development tools in 2026, by kind: agent-native platforms, Unity's copilot, Roblox AI, agents on Godot or Bevy, prompt-to-game generators.
Make a game like DOOM with AI: how an agent rebuilt the first chapter
Can you make a game like DOOM with AI? An agent rebuilt DOOM's first chapter as a multiplayer world on the Zero engine, playable in a browser and forkable on OrigoZero.