
Early Access
Yes, it's still new to Early Access (launched Sep 4). Last updated 9 days ago, with 4 updates so far.
Last checked Oct 22, 2026
Manage a private space company in an alternate-history 1960s Space Race. Take contracts, purchase launch vehicles, and plan launches as you try to survive the high-risk, high-cost world of private spaceflight.
Oct 12, 2026 · Build
Public branch build 25891693
Latest build time Steam reports for the public branch.
Oct 11, 2026 · Patch note
Small lunar planning fixes (opens in new tab)
A small patch for lunar mission planning today. • Fixed the camera losing its focus on the Moon when moving between planning steps or previewing choices. • Fixed the transfer path changing plane as it arrives at the Moon. • Smoothed out the approach to lunar orbit. Thanks for playing and for pointing these out!
Sep 30, 2026 · Patch note
Update 0.3 — The Moonshot Update (opens in new tab)
Update 0.3 — The Moonshot Update Hi everyone, Update 0.3, the Moonshot Update, is ready! This update takes Launch Window beyond Earth orbit for the first time. The update adds complete lunar missions, shared launches, a new contract proposal system, and a rebuilt mission-planning flow. It also includes major changes to campaign screens, flight profiles, and…
Sep 13, 2026 · Patch note
Update 0.2: New Upgrade Progression, macOS, and Linux (opens in new tab)
Update 0.2 Update 0.2 rebuilds upgrade progression, adds annual Board reviews, and brings Launch Window to macOS and Linux. Upgrade Progression https://clan.fastly.steamstatic.com/images/46237349/3808f35dd1a1d349e319629bba51ba7775c618e7.png The old company upgrades have been replaced with nine upgrade trees. Each tree has three ranks. At Rank III, you choos…
Sep 5, 2026 · Patch note
Tutorial and Custom Logo Bug Fix (opens in new tab)
Added a first-launch tutorial and fixed custom company logo display and scaling.
Launch Window: 1961 last shipped a public branch build 9 days ago (Oct 12, 2026).
It got about one update every 3 months so far. Launch Window: 1961 entered Early Access less than three months ago, so it's too new to rate for update frequency.
No. Launch Window: 1961 only launched in Early Access on Sep 4, and it was last updated 9 days ago, with 4 updates so far.
Launch Window: 1961: 4 updates in the last 12 months, avg every 12 days. The chart shows the last 12 months, including months with zero patch notes. Counts are dated patch and update posts, not branch builds. The Early Access release on 2026-09-04 falls inside this window.
| Month | Updates |
|---|---|
| November 2025 | 0 |
| December 2025 | 0 |
| January 2026 | 0 |
| February 2026 | 0 |
| March 2026 | 0 |
| April 2026 | 0 |
| May 2026 | 0 |
| June 2026 | 0 |
| July 2026 | 0 |
| August 2026 | 0 |
| September 2026 | 3 |
| October 2026 | 1 |