Main Sequence

Space automation and base-building game with customizable ships and stations

Tumbling Dumpling Studio · Published by Mythwright · Released Nov 12, 2026 · Early Access

Release: Nov 12, 2026; not released yet
Wishlist rank: #281; most wanted
Followers: 13K; following the game
Demo: 125 playing; Get the demo

What we know: Announcements cover September playtest patches, an October demo update and hotfix, and a scheduled Early Access launch on November 12, 2026.

What is Main Sequence?

Main Sequence is a space automation game set at the edge of charted space. Starting with a mining ship in an asteroid belt, you gather and refine resources, build factories and supply routes between stations, research technology, and design ships to explore new systems and defend against an alien defense network.

Screenshots and trailer

Main Sequence system requirements

Minimum: GTX 1050, 8 GB RAM, 5 GB of disk space.

As published by the developer.

Can my PC run Main Sequence?

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Minimum

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

Does Main Sequence have co-op or multiplayer?

Yes: co-op online and LAN. It also has a single-player mode.

Does Main Sequence run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Cloud saves, Family Sharing
Languages: Text only: English, French, German, Spanish - Spain, Japanese, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese.