Field status: pre-launchEarly Access · Nov 12, 2026

Main SequenceField Guide
Launch tool

Main Sequence release countdown

One clock for the Early Access window, one table for the planet, and a visible line between the official date and the estimated unlock hour.

  • Date official
  • 16:00 UTC estimate
  • Browser-local conversion
  • No account needed
A Main Sequence mining ship illuminating asteroids with multiple blue mining beams
Visual reference / official media

Release date: November 12, 2026. Exact unlock hour: not yet confirmed by the publisher.

On this page
Estimated unlock
November 12, 2026
--Days
--Hours
--Min
--Sec

SteamDB lists a store timestamp of 16:00 UTC. The publisher has not confirmed the exact unlock hour. Your local equivalent is calculated in your browser.

What is official, and what is estimated

DetailStatusSource
Release date: November 12, 2026OfficialDeveloper announcement and Steam store page.
Steam Early Access launchOfficialDeveloper announcement and Steam Early Access listing.
Exact unlock hour: 16:00 UTCEstimatedSteamDB store timestamp. The publisher has not confirmed it.
PriceNot announcedDeveloper said details would follow the date announcement.
The timer is a planning aid

If the countdown reaches zero and Steam still shows “coming soon”, refresh the store page. The date is official; the 16:00 UTC hour is a storefront timestamp, and store updates can lag.

Estimated launch time by time zone

These values convert the SteamDB timestamp of 16:00 UTC on November 12, 2026. Daylight-saving rules are applied for the date. Your browser-local estimate is shown in the countdown above.

Estimated Main Sequence launch times
City / zoneEstimated local time
UTCThu, Nov 12, 2026, 4:00 PM UTC
Los AngelesThu, Nov 12, 2026, 8:00 AM PST
New YorkThu, Nov 12, 2026, 11:00 AM EST
LondonThu, Nov 12, 2026, 4:00 PM GMT
BerlinThu, Nov 12, 2026, 5:00 PM GMT+1
DubaiThu, Nov 12, 2026, 8:00 PM GMT+4
New DelhiThu, Nov 12, 2026, 9:30 PM GMT+5:30
SingaporeFri, Nov 13, 2026, 12:00 AM GMT+8
TokyoFri, Nov 13, 2026, 1:00 AM GMT+9
SydneyFri, Nov 13, 2026, 3:00 AM GMT+11
AucklandFri, Nov 13, 2026, 5:00 AM GMT+13

Based on an unofficial timestamp. The developer may confirm a different launch time.

How to plan launch day

  1. Install the demo now if you want a feel for the game.The demo is free and separate from the Early Access purchase.
  2. Expect an unknown price. Do not budget from a third-party estimate. The publisher has not announced the price.
  3. Do not take time off for an unconfirmed hour. The date is solid, but the minute is not. A launch window or a store refresh can shift the practical start.
  4. Check the store page, not just the countdown. The official Steam listing is the source that matters for regional availability.
  5. Start with a fresh-save expectation. Demo save transfer has not been confirmed, so do not plan your launch around carrying over a demo station.

When the timer ends

The countdown is not a store trigger. When it reaches zero:

  • Refresh the Steam store page once, then check the developer’s news feed.
  • Do not assume a delay from a single stale page; regional store updates can take time.
  • If the price is still absent, do not guess it from another game or from a third-party estimate.
  • If the launch has changed, the release-status page and update log will be corrected.

For the confirmed date, platforms, price status and system requirements, use the release status page. For changes, see the update log.

Quick answers

Common questions

Short answers, with the verified detail kept in the sections above.

What time does Main Sequence launch?

The exact unlock hour has not been officially announced. SteamDB lists a store release timestamp of 16:00 UTC on November 12, 2026. This page uses that as an estimate and labels it clearly; wait for the publisher’s launch-time post if the exact minute matters.

Can I preload Main Sequence?

No preload details have been announced. The game is still a “coming soon” Steam page rather than an available purchase, so we cannot confirm pre-download timing or file size beyond the listed 5 GB minimum storage requirement.

What should I do if the countdown ends and the game is not available?

Refresh the Steam store page. Storefront timestamps can lag, the publisher may change the unlock hour, and regional store updates are not instant. Check the official Steam page and developer announcements before assuming a delay.

Is the November 12 date official?

Yes. The developer announced November 12, 2026 for Steam Early Access on October 1, 2026, and the Steam page displays the same date. Only the precise unlock time is unofficial.

Source log

Sources and verification

These are the primary references behind this page. Where sources disagree, the page explains the difference instead of presenting a guess as fact.

  • Main Sequence launches into Early Access on November 12th!
    Main Sequence / Steam2026-10-01Official developer / publisher

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

  • Main Sequence on Steam
    Valve / Tumbling Dumpling Studio2026Official storefront

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

  • Main Sequence app 2487190 on SteamDB
    SteamDB2026-10-22Unofficial data listing

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

  • Main Sequence Demo on Steam
    Valve / Tumbling Dumpling Studio2026-05-28Official storefront

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

  • Next Fest Demo Update
    Main Sequence / Steam2026-10-19Official developer / publisher

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

Accessed and checked November 1, 2026. External pages can change after publication.