Sources and further reading

The highest-priority sources: official store text, developer announcements, patch notes and the game’s own site. SteamDB mirror links are identified separately.

• Main Sequence — official game site2026

  Tumbling Dumpling Studio

  Core feature descriptions, developer contact, press kit link, official positioning.

• Playtest Release 13 patch notes2025-08-30

  Main Sequence, mirrored by SteamDB

  Shipyard Core, Large Thruster, Ship Container storage bonus, Repair Packs, glass and window items, and station module details from the August 2025 playtest build.

• Hotfix 2026.10.212026-10-21

  Main Sequence / Steam

  Demo filter and performance fixes in the October 21 hotfix.

• Next Fest Demo Update2026-10-19

  Main Sequence / Steam

  October demo update, Electromagnetic Science, new modules including Shield Generator Mk. 1, co-op in the demo.

• Main Sequence launches into Early Access on November 12th!2026-10-01

  Main Sequence / Steam

  Early Access date, promise of future price and launch-time details.

• Playtest 2 Patch 42026-09-21

  Main Sequence / Steam

  Ship component masses, repair mechanics, Warp Fuel restriction, Slipstream Drive tutorial, general fixes.

• Playtest 2 Patch 32026-09-17

  Main Sequence / Steam

  Build-cost changes for turrets and containers, Furniture 1/2 unlock changes.

• Playtest 2 Patch 12026-09-14

  Main Sequence / Steam

  Splitter and filter fixes, Slipstream range display fix, larger thruster details.

• Playtest Week2026-09-09

  Main Sequence / Steam

  Playtest scope, Cobalt and Graphite, abandoned stations, Trading Outpost, Relic Destroyer, Interstellar Warp Drive and advanced science types.

• Thank You for 100 000 Wishlists!2026-06-09

  Main Sequence / Steam

  Peaceful mode in the demo, planned difficulty and customization options, wishlist milestone.

• Demo Available Now!2026-05-28

  Main Sequence / Steam

  Demo release, Mythwright publishing announcement, cobalt refining, ore enrichment, new star types and enemies.

• Demo Hotfix 12026-05-30

  Main Sequence / Steam

  Demo hotfix details, enriched ore crafting time, known AMD RX 500-series issue at the time.

• Demo Hotfix 22026-06-02

  Main Sequence / Steam

  Landing Gear unlock fix, enriched titanium and nickel ore processing fix.

• Thank You for Playtesting!2026-05-27

  Main Sequence / Steam

  Alpha playtest closure, visual overhaul, new production lines and enemies ahead of the demo.

• Thank You for 50,000 Wishlists!2026-02-13

  Main Sequence / Steam

  Setting: the Fracture, the Main Sequence Initiative, Frontier Heavy Industries and the station commander role.

• Main Sequence in 20262026-01-19

  Main Sequence / Steam

  Development history, 2025 playtest, demo timing, community screenshots and future plans.

• Introducing Main Sequence2025-08-12

  Main Sequence / Steam

  Core gameplay loop, ship and station designer, mining drone bays, science labs, creative mode.

• Main Sequence — Mythwright2026

  Mythwright

  Publisher feature summary, platform reference, screenshot gallery and content-creator contact.

Used for release fields, supported languages, requirements and platform availability. Store text can lag behind a developer announcement.

• Main Sequence on Steam2026

  Valve / Tumbling Dumpling Studio

  Release date, Early Access statement, system requirements, feature list, store description, language support.

• Main Sequence Demo on Steam2026-05-28

  Valve / Tumbling Dumpling Studio

  Demo availability, demo scope, first two technology tiers, Slipstream Drive goal, demo system requirements.

• Main Sequence — Epic Games Store2026

  Epic Games / Mythwright

  Additional storefront listing and platform context. The official Early Access launch announcement specifically names Steam.

Used for context, corroboration and developer background. When press reporting conflicts with an official page, the official page wins.

• Forge an Interstellar Empire in MAIN SEQUENCE, a Space-Sim Factory Builder Launching 2026, Demo Available Today2026-05-28

  Games Press / Mythwright

  Press release context: developer background, demo launch, publisher information, game positioning.

• Space Factory Builder Main Sequence Announces Its Early Access Release Date2026-10-02

  Simulation Daily

  Independent report corroborating the November 12, 2026 Early Access announcement.

• Main Sequence hits Early Access November 12, and every co-op player gets their own ship2026-10-06

  GamesFinity

  Context on co-op, experimental multiplayer status and the absence of a publicly confirmed player cap at the time.

• MAIN SEQUENCE's Astronomic Playtest Launches Today — Play the Full Work-In-Progress Game Free Ahead of Launch2026-09-18

  Capsule Computers

  Independent coverage of the September 2026 playtest and its scope.

Used only for labelled, practical demo findings. These are not treated as official design statements.

• I don't get how to start the logistics2026-10-29

  Steam Community

  Community-tested account of the station power and Logistics I progression step. Clearly labelled as player experience, not an official statement.

• Second dock for co-op2026-10-29

  Steam Community

  Community-tested note that additional station docks can be added through the station control panel. Not independently verified by the developer.

• Controller support?2025-09-22

  Steam Community

  Developer reply stating controller support was planned for Early Access launch. Plan, not a launch guarantee.

Store timestamp data used for planning and clearly labelled as unofficial.

• Main Sequence app 2487190 on SteamDB2026-10-22

  SteamDB

  Unofficial store release timestamp of 16:00 UTC on November 12, 2026. Not treated as a publisher confirmation.

Editorial illustration and visual evidence for modules, research-tree nodes and in-game UI.

• Main Sequence screenshots on Steam2026

  Tumbling Dumpling Studio / Valve

  Official screenshots used for editorial illustration, research-tree nodes, modules and in-game UI context.