Out now

Main Assembly

Developed by Bad Yolk Games · Published by Team17

Simulation
StatusOut now ReleaseJan 26, 2021 Price$3.99 Steam reviews993

At a glance

PlatformsWindows
ModesSingle-player, Multi-player, PvP, Online PvP, Co-op, Online Co-op
Price$3.99
StatusOut now
Early accessNo
Steam reviews993
Languages10
Achievements21

Overview

A simulation game by Bad Yolk Games, published by Team17 — single-player, multi-player, pvp, online pvp.

Steam’s own one-line description: “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.” — developer/publisher text via the Steam store page.

Reception & community

Steam reviewsVery Positive — 85% positive of 1,314
Owners (est.)50000 – 100000
Peak players5
Player-voted tags:3DOnline Co-OpCo-opSingleplayerSandboxBuildingSimulationProgrammingRobotsPhysicsArtificial IntelligenceScience

Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.

Features & modes

Derived from the gameplay modes and feature categories Steam lists for Main Assembly.

FeatureSupported
Single-playerYes
MultiplayerYes
Co-opYes
Online co-opYes
PvPYes
Cross-platform multiplayerNo
Full controller supportNo
Partial controller supportYes
Steam Cloud savesYes
Steam AchievementsYes

System requirements (PC)

As published on the Steam store page. Requirements can change between updates.

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

Recommended

  • Requires a 64-bit processor and operating system
  • OS *: WINDOWS® 7 (64-bit)
  • Processor: Intel® Core™ i5-4460 or AMD equivalent
  • Memory: 8 GB RAM
  • Graphics: NVIDIA® GeForce® GTX 970 or AMD equivalent
  • Storage: 3 GB available space

Supported languages (10)

EnglishFrenchItalianGermanSpanish - SpainRussianSimplified ChineseTraditional ChinesePortuguese - BrazilJapanese

Main Assembly FAQ

Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.

What kind of game is Main Assembly?

Steam classifies Main Assembly as a Simulation game, developed by Bad Yolk Games. 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.

How much does Main Assembly cost?

As of June 2026, Steam lists Main Assembly at $3.99. Prices and regional pricing change — check the Steam page for the current figure.

Is Main Assembly single-player or multiplayer?

Steam lists these modes for Main Assembly: Single-player, Multi-player, PvP, Online PvP, Co-op, Online Co-op. It supports both solo and multiplayer.

Is Main Assembly on PlayStation, Xbox, or Switch?

Our data comes from the Steam (PC) store, which lists Main Assembly for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.

Is Main Assembly out yet?

Yes — Steam lists a release date of Jan 26, 2021.

What platforms is Main Assembly on?

Main Assembly is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.

Is Main Assembly single-player or multiplayer?

Steam lists these modes: Single-player, Multi-player, PvP, Online PvP, Co-op, Online Co-op.

How much does Main Assembly cost?

Steam lists it at $3.99.

Does Main Assembly have achievements?

Yes — Steam lists 21 achievements for Main Assembly.

Who made Main Assembly?

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

Where to get Main Assembly

We don't sell games or track prices — this links to the official Steam store page.

View on Steam →

Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, Team17.