Early Access
Is INTERSTELLAR PRIME still being updated?
Yes, but updates are hit or miss. Last updated 16 days ago, with about one update every 6 months.
Last checked Oct 22, 2026
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Update history
Recent updates
Oct 5, 2026 · Patch note
New prologue. Chapters 1 & 2 rebuilt. Major update coming soon. (opens in new tab)
{STEAM_CLAN_IMAGE}/30777251/80891c8db8d019d29fb23f43c4a9ff9af7cc4705.png NEW PROLOGUE. CHAPTERS 1 & 2 COMPLETELY REBUILT. A major INTERSTELLAR PRIME update is coming in a couple of weeks. The update brings three chapters in total: a brand-new prologue, plus completely rebuilt Chapters 1 and 2. Alongside this, we're adding new music, voice acting, reworked c…
Sep 29, 2026 · Patch note
Unity 6 Rebuild: First Hour of the New Story Mode (opens in new tab)
Hello everyone, The first Unity 6 Story Mode rebuild is now available in the public Early Access version of INTERSTELLAR PRIME. The September 28 update replaces the previous public build with the rebuilt opening story experience. Update the game in your Steam Library to download it. To accompany the release, we're sharing nearly an hour of gameplay covering…
Sep 28, 2026 · Build
Public branch build 25584732
Latest build time Steam reports for the public branch.
May 19, 2023 · Build
pre-release-test branch build 11268902
Latest build time Steam reports for the pre-release-test branch.
May 6, 2023 · Patch note
- added full controller support - improved graphics - improved performance - bug fixes - removed freelance mode (for now)
Questions
When was the last INTERSTELLAR PRIME update?
INTERSTELLAR PRIME last posted a patch note 16 days ago (Oct 5, 2026: New prologue. Chapters 1 & 2 rebuilt. Major update coming soon. (opens in new tab)).
How often does INTERSTELLAR PRIME update?
It got about one update every 6 months over the last year and is rarely updated (17/100). 2 of the last 12 months had at least one update day. Gaps between updates are uneven.
Is INTERSTELLAR PRIME abandoned?
No. It shipped a build or patch note within the last 90 days, though updates are hit or miss.
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