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Main Sequence

Game overview

Main Sequence

Main Sequence is a first-person space-sim factory builder where you design spaceships, build space stations, and automate everything. Start with a single ship and grow to become an interstellar industrial empire as you leave your mark on the galaxy.

Indie Simulation Strategy Early Access
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About this game Read the full description

You are at the frontier of human-charted space in a small mining ship, tasked with expanding humanity's footprint amongst the stars. To succeed, you’ll need to collect resources, automate production, expand your base of operations, and research new technologies.

You start out with a single mining ship in a resource-rich asteroid belt. Use your scanners to find the best places to mine, and then refine the resources on your ship. Build a space station to set up a permanent base of operations which you can begin to expand and automate.

Onboard your stations, the factories you build are the heart of your industrial operation. Build machines, connect them with conveyor belts, and plan your production lines to keep everything flowing at full efficiency. Once that's running, that same logic extends across systems - automated supply routes between stations, and a fleet that keeps everything provisioned while you focus on expanding your operations.

Every ship and station is yours to design, inside and out. Module by module, you decide cargo capacity, reactor placement and weapons - whatever the situation calls for. Save designs to use again, share them with friends, or build freely in creative mode.

You'll need those weapons. Your industrial activity has woken something up - an ancient alien defence network that's identified you as a threat . Use your fleet to protect what you've built, or take the fight to them before the next wave arrives.

Research new technology with the items you produce. Each unlock opens up new ships, station modules, items and upgrades - everything you need to push further out. You will need to expand your industrial operations into new frontiers, but each new area will bring its own challenges and enemies to overcome. Use all of the tools at your disposal to build the ultimate battleship capable of handling any threat on your path to victory.

Venture into the unknown, with each procedurally generated star system offering unique logistic challenges to overcome. Explore wrecks, find new resources, and discover stellar phenomena such as black holes and neutron stars. Meet allies along the way as you uncover the different factions within humanity, and choose who to help as you build your legacy amongst the stars.

Play solo, or in co-op where each player is the captain of their own ship. Divide responsibilities however you like - one on logistics, another on defence, another out exploring - or work side by side on the same objective. Co-op opens up what’s possible. The bigger the crew, the bigger the empire.

Satisfactory, Factorio, Dyson Sphere Program, Space Engineers, Foundry, X4 Foundations, Stationeers, Empyrion Galactic Survival, Planet Crafter, No Man’s Sky, Astroneer, Subnautica

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System requirements Windows

Windows

Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 64-bit
  • Processor: Intel Core i5-8400 or equivalent
  • Memory: 8 GB RAM
  • Graphics: Nvidia GTX 1050 or AMD RX 460
  • DirectX: Version 12
  • Storage: 5 GB available space

Recommended

Recommended:
  • Requires a 64-bit processor and operating system
Game details Languages, features & support
Publisher
Mythwright
Brazilian rating
14
Steam Germany rating
12
Features
Single-player, Multi-player, Co-op, Online Co-op, LAN Co-op, Custom Volume Controls, #category_playable_at_your_own_pace, Playable without Timed Input, Save Anytime, Family Sharing
Languages
English, French, German, Spanish - Spain, Japanese, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese
Compatibility & accessibility Steam Deck, controllers & access features

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Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

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Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
unknown
Valve compatibility test
Input
Controller support: unknown

Developer-declared accessibility on Steam

Features not declared by the developer are not labeled unsupported.

custom volume controls playable without timed input save anytime playable at your own pace
Structured language support (10)
LanguageInterfaceFull audioSubtitles
EnglishYesNoYes
FrenchYesNoYes
GermanYesNoYes
Spanish - SpainYesNoYes
JapaneseYesNoYes
KoreanYesNoYes
PolishYesNoYes
Portuguese - BrazilYesNoYes
RussianYesNoYes
Simplified ChineseYesNoYes
Steam store page stale · checked 2026-09-13 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
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Frequently Asked Questions

Is Main Sequence free to play?
Yes, Main Sequence is free to play on Steam.
What genre is Main Sequence?
Main Sequence is a Indie, Simulation, Strategy, Early Access game.
Who developed Main Sequence?
Main Sequence was developed by Tumbling Dumpling Studio and published by Mythwright.
What platforms does Main Sequence support?
Available on Steam for Windows.