Main Assembly

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  • Main Assembly

Take on the role of a drone with the ability to design and build robots for your everyday needs! Find unique ways to overcome various challenges in a singleplayer or jump into the Sandbox and craft and play alone or with other players.

Challenge yourself and your friends to create the most exciting looking robot using a freeform crafting tool and modular parts! Change your robot's color palette to make it your own!

Put your personal touch on your drone through different paint jobs and collectible cosmetic items earned by playing the game!

By using the nodes in the powerful visual programming interface, you can set up controls for your robot. After getting the hang of it, you can dig deep into it and use Sensors to make logic for different types of automation.

Your robots will take damage if they crash, fall, or take a hammer to the face! Advanced destruction systems enable bending chassis and damage that affects robot behavior. But don’t worry, you can iterate to improve and respawn your robot as many times as you like.

Join in on the multiplayer fun to create and play with others in an open sandbox environment. Load any robot you create in a singleplayer or build completely new ones under the watchful gaze of your friends.

{STEAM_CLAN_IMAGE}/35530744/99b1e6ddb7d6cd34600f8cfbb78eb5a714c5e3a2.png Hello inventors! We've been working hard to address a lot of feedback and are making the new build available to the community, addressing issues listed a little further down. Please share any feedback via Discord and we'll aim to release to the main branch by late August. How to access the build: If this sounds like something for you, this is how you switch to the Experimental branch. In Steam right-click on the game and th...


Inventors, creative minds of the future! Main Assembly, has today left Steam Early Access - and has officially launched! Hooray! Featuring a comprehensive array of freeform building tools, players can now construct an even more significant number of intricate machines and robots thanks to a brand new update launched alongside the game’s full release. The Final Frontier content introduces players to zero gravity, with a new sandbox m...


Hey folks! *waves at the screen* We hope everyone had a good end to the year -despite the current situation - and that all of you got off to a solid, creative start in the new year! 2021 will help you push your imagination to its limits, not just your bots! Everyone is back from their vacation, fully rested and eager to get back into the groove of eliminating nasty, unwelcome bugs. Die bugs, DIE. We're less than a week away from rel...


Inventors of the future, past and present, Main Assembly will be unleashed into the wild of a plethora of creative minds, as the game launches on January 26th 2021! Version 1.0 will be live on release -- alongside the new SPACE Update! That's right, Inventors. We were always going to outgrow this world eventually, now it's time to look up to what's possible out there. Now it's time to create things we could only dream of! Now it's time for Interstellar inventions!


Hello! Hello! Hello! We hope everyone is getting into the Holiday spirit! As much as we love working on Main Assembly, we do need our vacation; we are looking forward to ending this week in a smashing way! It's been a peculiar year, many fantastic creations from Inventors like yourselves have helped keep the spirits up! We hope to see even more fantastic inventions in 2021 :). Let's get to it, shall we? We are continuing our work of swee...






  • OS: WINDOWS® 7
  • Processor: Intel® Core™ i5-3570 or AMD equivalent
  • Memory: 8 GB RAM
  • Graphics: NVIDIA® GeForce® GTX 770 or AMD equivalent
  • Storage: 5 GB available space





  • OS: WINDOWS® 7
  • Processor: Intel® Core™ i5-4460 or AMD equivalent
  • Memory: 8 GB RAM
  • Graphics: NVIDIA® GeForce® GTX 970 or AMD equivalent
  • Storage: 5 GB available space


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