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Talk to a robot, teach it new skills in Python, and watch it decide when to use them. The simulator runs Innate OS, the full software of a real robot, in a 3D world on your laptop.

Try it in your browser

Nothing to install. Join the queue and take MARS for a spin.

Run it on your laptop

One command, about 10 minutes. You need this to build your own skills and agents.
Install it with one command:
Works on macOS, Linux, and Windows with WSL2. To chat with the agent, get a free Gemini API key before you start.

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What you can do

Create an agent without code

Write a prompt, pick skills, and chat. It sees through the robot’s cameras and acts on what you ask.

Give it new skills in Python

Write a short class and save. The robot can use it a second later, and the agent decides when.

Take on challenges

Scored missions: find a person who collapsed, push a ball to the dog, escape the Backrooms.

Drive through different worlds

An apartment, a city crossroads with traffic, and the Backrooms, with LiDAR, cameras, depth, and an arm.

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For roboticists

Under the web app is a full ROS 2 stack, with the same topics, message types, and frames as the real hardware. Connect Foxglove and your own ROS tools, or skip ROS and Docker entirely: VirtualMars gives you the whole world as a Python object for scripts and reinforcement learning. Foxglove showing the simulated robot's cameras, map, LiDAR, and frames Physics runs in MuJoCo. Everything you build here also runs, unchanged, on a real MARS.

Set up the simulator

Install, start it, and say hello to the agent.

Your first agent and skill

Teach the robot a new trick in five minutes.