Main Assembly on Steam - User reviews, Price & Information

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You’re the designer, engineer and architect if you can imagine it you can create it! Construct robots of any shape or size from eight-legged spider bots to eerie UFO contraptions.

Main Assembly is a 3d, online co-op and co-op game developed by Bad Yolk Games and published by Team17.
Released on January 26th 2021 is available only on Windows in 10 languages: English, French, Italian, German, Spanish - Spain, Russian, Simplified Chinese, Traditional Chinese, Portuguese - Brazil and Japanese.

It has received 1,314 reviews of which 1,115 were positive and 199 were negative resulting in a rating of 8.1 out of 10. 😎

The game is currently priced at 3.99€ on Steam with a 80% discount, but you can find it for 0.42€ on Gamivo.

The Steam community has classified Main Assembly into these genres:

3D Online Co-Op Co-op Singleplayer Sandbox Building Simulation Programming Robots Physics Artificial Intelligence Science Crafting Management Logic Multiplayer Automation Immersive Sim Education Character Customization

Media & Screenshots

Get an in-depth look at Main Assembly through various videos and screenshots.

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System requirements

These are the minimum specifications needed to play the game. For the best experience, we recommend that you verify them.

Windows
  • Requires a 64-bit processor and operating system
  • OS *: WINDOWS® 7 (64-bit)
  • Processor: Intel® Core™ i3-4160 or AMD equivalent
  • Memory: 4 GB RAM
  • Graphics: NVIDIA® GeForce® GTX 750 or AMD equivalent
  • Storage: 3 GB available space

User reviews & Ratings

Explore reviews from Steam users sharing their experiences and what they love about the game.

Jan. 2025
Great physics and sandbox game but aircrafts are all restricted to a realtively low flight speed. Might just be because the maps are kind of small and not super condusive to fast-moving flying vehicles
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Jan. 2025
so far my 2nd fav game. this game is kinda hard at first and complex but u can figure it out by either yourself or ingame tutorials and if you do not care about how hard the game is like me then this is a perfect game.
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July 2024
I love this game. I'm an engineering undergraduate and this game scratches the itches that I have to build cool things. The physics engine is quite advanced, with lift, CM, and center of thrust all being relevant to all your creations. There's no magical downforce spoiler or something. You have to make the airfoil yourself. Love it!
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June 2024
The game in many ways is more enjoyable than Trailmakers. For whatever reason, the other game took off and this one is seemingly abandoned. There are still a lot of bugs in the game, and crashes Hopefully they come back to this project eventually
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June 2024
Haven't play this for a period This sandbox game equipped a rare way to craft vessels, I call it Build-By-Skin. Build-By-Skin means you can manipulate mesh of blocks, transform it, twist it. The only 2 games I know using this way to build is Main Assembly and Homebrew. Build-By-Skin is more complicate and more flexible than Build-By-Blocks, it allows player spend more time to craft vessels with curvier appearance. As a changing player, I enjoy this a long time ago, but now I prefer some fast and easy fulfillment, so this game became less attractive to me.
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Frequently Asked Questions

Main Assembly is currently priced at 3.99€ on Steam.

Main Assembly is currently available at a 80% discount. You can purchase it for 3.99€ on Steam.

Main Assembly received 1,115 positive votes out of a total of 1,314 achieving a rating of 8.08.
😎

Main Assembly was developed by Bad Yolk Games and published by Team17.

Main Assembly is playable and fully supported on Windows.

Main Assembly is not playable on MacOS.

Main Assembly is not playable on Linux.

Main Assembly offers both single-player and multi-player modes.

Main Assembly offers both Co-op and PvP modes.

Main Assembly does not currently offer any DLC.

Main Assembly is fully integrated with Steam Workshop. Visit Steam Workshop.

Main Assembly does not support Steam Remote Play.

Main Assembly is enabled for Steam Family Sharing. This means you can share the game with authorized users from your Steam Library, allowing them to play it on their own accounts. For more details on how the feature works, you can read the original Steam Family Sharing announcement or visit the Steam Family Sharing user guide and FAQ page.

You can find solutions or submit a support ticket by visiting the Steam Support page for Main Assembly.

Data sources

The information presented on this page is sourced from reliable APIs to ensure accuracy and relevance. We utilize the Steam API to gather data on game details, including titles, descriptions, prices, and user reviews. This allows us to provide you with the most up-to-date information directly from the Steam platform.

Additionally, we incorporate data from the SteamSpy API, which offers insights into game sales and player statistics. This helps us present a comprehensive view of each game's popularity and performance within the gaming community.

Last Updates
Steam data 09 June 2025 11:14
SteamSpy data 10 June 2025 11:21
Steam price 14 June 2025 12:27
Steam reviews 11 June 2025 22:02

If you'd like to dive deeper into the details about Main Assembly, we invite you to check out a few dedicated websites that offer extensive information and insights. These platforms provide valuable data, analysis, and user-generated reports to enhance your understanding of the game and its performance.

  • SteamDB - A comprehensive database of everything on Steam about Main Assembly
  • SteamCharts - Analysis of Main Assembly concurrent players on Steam
  • ProtonDB - Crowdsourced reports on Linux and Steam Deck Main Assembly compatibility
Main Assembly
-80% 19.99€ 3.99€ -98% 19.99€ 0.42€ -87% 19.99€ 2.79€
8.1
1,115
199
Game modes
Multiplayer
Features
Online players
2
Developer
Bad Yolk Games
Publisher
Team17
Release 26 Jan 2021
Platforms
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