Home / Games / Main Assembly
Main Assembly
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.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“crashes semi often but game is pretty peak please add more settings cuz i want a lower camera sensitivity so i can use it to aim things”
— a player, Steam review · 9 hrs played“i bought this on sale for 1.99 but ive already made some cool stuff within three hours i can definetly see myself putting hundreds of hours into this game i highly recomend hurry up and buy it while its on sale”
— a player, Steam review · 10 hrs played“if a game is published by team17, you can bet itll be forgotten and abandoned shortly after release. this game is no different. abandoned for years, was hoping for a sign of life, but nope. abandoned.”
— a player, Steam review · 10 hrs playedAchievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Main Assembly 1.1 Patch - now live for Beta testing!
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
Main Assembly 1.0 is now available!
Inventors, creative minds of the future! Main Assembly, has today left Steam Early Access - and has officially launched! Hooray! https://i.imgur.com/kCJ7XdI.png Featuring a comprehensive array of free
Main Assembly -- Dev Log #38 Launch, 1.0 & Space!
Hey folks! *waves at the screen* https://i.imgur.com/DjgIJJj.png 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
Main Assembly Launches January 26th w/ Space Update!
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
Main Assembly -- Dev Log #37 Space, Spaceships. Roadmap, Festive Competition!!
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
Games like Main Assembly
From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.
Good Company
70.5% · 888 reviews
shares Automation, Robots, Crafting, Online Co Op
Software Inc.
94.2% · 5,671 reviews
shares Programming, Automation, Online Co Op, Building
Automation - The Car Company Tycoon Game
93.6% · 12,668 reviews
shares Science, Automation, Education, Crafting
Plasma
90.4% · 782 reviews
shares Programming, Automation, Robots, Crafting
Desynced
81.5% · 1,084 reviews
shares Programming, Automation, Online Co Op, Building
Fast Food Simulator
89.4% · 4,688 reviews
shares Artificial Intelligence, Robots, Online Co Op, Immersive Sim
Kebab Chefs! - Restaurant Simulator
80.4% · 1,685 reviews
shares Crafting, Immersive Sim, Building, Management
Sand:box
92.5% · 547 reviews
shares Science, Automation, Education, Crafting
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Simulation |
| Player tags | 3D · Online Co-Op · Co-op · Singleplayer · Sandbox · Building · Simulation · Programming · Robots · Physics · Artificial Intelligence · Science (SteamSpy community voting) |
| Features | Single-player · Multi-player · PvP · Online PvP · Co-op · Online Co-op · Steam Achievements · Steam Workshop |
| Languages | English * , French, Italian, German, Spanish - Spain, Russian, Simplified Chinese, Traditional Chinese, Portuguese - Brazil, Japanese * |
| Achievements | 21 |
| Estimated owners | 50,000 – 100,000 (SteamSpy) |
Minimum system requirements (PC)
Minimum: 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