Main Sequence
Tumbling Dumpling Studio · published by Mythwright · released Nov 12, 2026
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.
Price
-20%$19.99
$24.99
Reviews
88%
34 · Positive
Playing now
2,667
sampled 5m ago
24h peak
2,667
all-time seen 2,667
Followers
—
Steam community hub
Owners (est.)
~1K
510 – 1.6K
YouTube activity
11
videos · 30 d24
creators36K
views · 1 yTwitch activity 399 watching · 17 live
77
avg viewers · 30 d7K
hours watched · 30 d99
streamers · 30 dProduct info
from Steam's PICS · read 47m ago- Change number
- 40,926,836 · seen 47m ago
- Public build
- 26,639,889 · Nov 13, 2026 (6h ago)
- Operating systems
- windows
- Architecture
- 64-bit
- Install size
- 2.3 GB · 2.0 GB download
- Install folder
Main Sequence- Controller support
- —
- Metacritic
- —
- Homepage
- —
- Release state
- released
- Community
- hub
Steam Deck
UnknownNo Deck test results published.
Branches · 1
every build Steam serves for this app| Branch | Build | Updated | Description |
|---|---|---|---|
| public | 26,639,889 | Nov 13, 2026 · 6h ago |
Build history
every build id we have seen on a branch (history starts with our first read)| Build | Branch | Released | First seen |
|---|---|---|---|
| 26,639,889 | public | Nov 13, 2026 13:10 | 6h ago |
| 26,618,257 | public | Nov 12, 2026 15:35 | 1d ago |
Depots · 3
content of the public branchLaunch options · 1
| Executable | OS | Description |
|---|---|---|
Windows/MainSequence.exe |
windows 64-bit |
Languages · 10
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| French | ✓ | — | ✓ |
| German | ✓ | — | ✓ |
| Polish | ✓ | — | ✓ |
| English | ✓ | — | ✓ |
| Korean | ✓ | — | ✓ |
| Russian | ✓ | — | ✓ |
| Spanish | ✓ | — | ✓ |
| Japanese | ✓ | — | ✓ |
| Simplified Chinese | ✓ | — | ✓ |
| Portuguese - Brazil | ✓ | — | ✓ |
Packages · 1
all packages| Sub | Name | Billing | Price |
|---|---|---|---|
| 1204045 | — | Store or CD key | — |
Bundles · 0
all bundlesNot part of any bundle we know.
Change numbers
all changes#40,926,836 · 47m ago#40,925,122 · 1h ago#40,922,987 · 2h ago#40,918,548 · 4h ago#40,914,507 · 6h ago#40,913,964 · 6h ago#40,912,588 · 7h ago#40,911,869 · 8h ago#40,910,767 · 8h ago#40,908,891 · 9h ago#40,907,202 · 10h ago#40,906,715 · 10h ago#40,906,236 · 11h ago#40,902,469 · 13h ago#40,898,800 · 16h ago#40,896,411 · 18h ago#40,894,929 · 19h ago#40,893,166 · 20h ago#40,891,724 · 21h ago#40,890,043 · 22h ago#40,888,208 · 23h ago#40,886,413 · 1d ago#40,879,306 · 1d ago#40,878,388 · 1d ago#40,873,805 · 1d ago
Updates · patch notes
Steam announcements tagged as patch notes, linked to the public build they followed
| When | Note | Build | Update size |
|---|---|---|---|
| Nov 13, 2026 | Hotfix 0.1.0.107 0.1.0.107Bug FixesFixed a desync when loading a game where a mining laser is activeFixed the player garbage slot icon not showing up when opening a demo saveFixed map markers not showing up for clients in multiplayerFixed HUD details for asteroids and machines not showing up for clients in multiplayerFixed offscreen HUD markers in other solar systems not displaying distance in ly |
26,639,889 | +70.7 MB |
| Oct 21, 2026 | Hotfix 2026.10.21 Bug FixesFixed 'No item' filter not being selectable in docks and drone baysRaised the default engine Max Objects settings |
— | — |
| Sep 21, 2026 | Playtest 2 Patch 4 v0.1.80BalanceReduced Ship Corner Window mass from 5 >> 3 tonnesReduced Small Habitat Window mass from 5 >> 3 tonnesReduced Ship Frame mass from 3 >> 2 tonnesBug FixesFixed the Assembler working sound playing when the station is depoweredFixed the Refinery sound and animation playing when the station is depoweredFixed the close buttons not working on the Trading Outpost UIFixed the wrong model sho |
— | — |
| Sep 17, 2026 | Playtest 2 Patch 3 Balance ChangesStation Plasma Turret build cost changed from 10 Lightweight Frame to 10 CapacitorsContainer build cost changed from 5 Titanium Plates to 2 Lightweight FramesMoved some unlockables from Furniture 1 to Furniture 2Bug FixesFixed station plasma turret missing colliderFixed the Shipyard Core ship designer preventing module placement when being opened without a ship dockedFixed Computati |
— | — |
| Sep 14, 2026 | Playtest 2 Patch 2 Bug FixesFixed an issue caused by the last patch where recipe tooltips were not being shown. |
— | — |
| Sep 14, 2026 | Playtest 2 Patch 1 Bug FixesFixed UI volume slider not workingFixed ship ‘boost’ sound not audible from all areas of the shipFixed using ‘quick select’ to build assemblers not setting the item filters in the inventoryFixed input freezing in Arena gamemodeFixed a gap in the model of the Large ThrusterFixed the Splitter Mk. 1 not being configurableFixed disabled machine outputs reconnecting after disassembling and rep |
— | — |
| Jun 2, 2026 | Demo Hotfix 2 Bug FixesFixed an error where the Landing Gear were not unlocked when editing a ship.Fixed an issue with refining Enriched Titanium/Nickel Ore at the ship workstation. |
— | — |
| May 30, 2026 | Demo Hotfix 1 Bug FixesFixed a crash when opening the ArenaFixed an issue where changes could not be applied to ships even with enough items available.Fixed an issue where loading a saved blueprint could allow you to build a module that had not been unlocked yet.Fixed an issue where you could clip out of the dock walkway.BalanceEnriched Titanium/Nickel Ore crafting time reduced from 6s >> 3sThere is an issue cu |
— | — |