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Game Early Access App 2487190 Has a demo

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.

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Main Sequence

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Follow Data updated 19h ago
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
Revenue (est.)
~$14K
gross, lifetime · how
YouTube activity
11
videos · 30 d
24
creators
36K
views · 1 y
Twitch activity 399 watching · 17 live
77
avg viewers · 30 d
7K
hours watched · 30 d
99
streamers · 30 d

Product 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

Unknown

No Deck test results published.

Branches · 1

every build Steam serves for this app
BranchBuildUpdatedDescription
public 26,639,889Nov 13, 2026 · 6h ago

Build history

every build id we have seen on a branch (history starts with our first read)
BuildBranchReleasedFirst seen
26,639,889public Nov 13, 2026 13:106h ago
26,618,257public Nov 12, 2026 15:351d ago

Depots · 3

content of the public branch
DepotNameOSLanguageDLC / sharedSizeDownloadManifest
2487191 all 2.3 GB2.0 GB 1889292073501098143
228989 windows shared from #228980 ——
228990 windows shared from #228980 ——

Launch options · 1

ExecutableOSDescription
Windows/MainSequence.exe windows 64-bit

Languages · 10

LanguageInterfaceFull audioSubtitles
French ✓—✓
German ✓—✓
Polish ✓—✓
English ✓—✓
Korean ✓—✓
Russian ✓—✓
Spanish ✓—✓
Japanese ✓—✓
Simplified Chinese ✓—✓
Portuguese - Brazil ✓—✓

Packages · 1

all packages
SubNameBillingPrice
1204045— Store or CD key —

Bundles · 0

all bundles
Not 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
all games →
WhenNoteBuildUpdate 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
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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
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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
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Sep 14, 2026 Playtest 2 Patch 2
Bug FixesFixed an issue caused by the last patch where recipe tooltips were not being shown.
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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
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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.
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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
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