Main Assembly v1.0

In Main Assembly you become the designer, engineer and architect of your own robotic creations. Imagine anything—from eight-legged spider machines to flying saucer devices—and then build every limb, joint and mechanism using an intuitive visual programming system that lets you precisely control your bot’s behavior.

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Once your robot is ready, switch to the world builder to craft custom environments that truly test its abilities. Lay out high-speed race tracks, intricate obstacle courses or gravity-defying stunt arenas to expose every strength and weakness in your design.

Play alone through more than 100 single-player challenges that push your inventions to their limits, or invite up to three friends to join you in collaborative sandbox mode. Work together on ambitious constructions, pit your bots against one another in head-to-head trials or simply smash each other’s machines into scrap metal for pure destructive fun.

You don’t need to know C# or any other programming language to get started—every logic circuit is built through drag-and-drop visual nodes—though if you’re comfortable coding, you can extend and customize your creations even further.

Tap into the community workshop to download thousands of fan-made robots and worlds, or share your own masterpieces so others can challenge them. And if you really want to see what your design can endure, drive it off a cliff and watch the physics-based destruction in action.

Main Assembly is available to download now, ready for your next big invention.