
Early Access
No. Last updated 6 years ago, with no recorded updates per month, and nothing new since.
Last checked Oct 22, 2026
UPDATE 28 AVAILABLE - Interstellar Marines is an immersive tactical sci-fi First Person Simulator in the making, offering a unique blend of tactical gameplay, dynamic environments and non-scripted AI. Play Singleplayer or Co-op/PvP on servers around the world.
Dec 22, 2019 · Patch note
Christmas Mini Update (opens in new tab)
{STEAM_CLAN_IMAGE}/4647647/ab05e994468023089bc457c6e3bb71fa5855d747.png Hello Marines, and Merry Christmas! We've just released a small update that has added the following: XMAS MAYHEM Marines and CTRs now have reindeer antlers and santa hats. These changes affect the Xmas Mayhem gamemode, Wargames, and all missions/challenges. Marines and CTRs now explode…
Dec 21, 2019 · Build
spearhead-testing branch build 4518787
Latest build time Steam reports for the spearhead-testing branch.
Dec 21, 2019 · Build
Public branch build 4518787
Latest build time Steam reports for the public branch.
May 29, 2019 · Patch note
Update 29 And Beyond (opens in new tab)
https://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4647647/f371356a22e41ced8346525195086ed026c7e192.png Hi everyone, good news! We’re pleased to announce our new development roadmap for Interstellar Marines. We’ve decided on a 4 month development period, with a tentative deadline for each update and new priority system for WIP content/featur…
May 21, 2019 · Patch note
Update 28 - Engine Upgrade (opens in new tab)
https://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4647647/09d4b82af6e0ae5bd21d0e925362de309b88c8f5.jpg Update 28 - Engine Upgrade Hello Marines, we’re very excited to announce Update 28! First, we want to thank everyone who participated in ITO Testing - you’re the best! Update 28 has finally been wrapped up and released. In this update we’v…
Interstellar Marines last posted a patch note 6 years ago (Dec 22, 2019: Christmas Mini Update (opens in new tab)).
It got no recorded updates per month over the last year and is rarely updated (0/100). 0 of the last 12 months had at least one update day. Not enough of a cadence to call it regular.
Yes, it looks that way. There have been no builds or patch notes in over 180 days, or none on record at all.
Interstellar Marines: 0 updates in the last 12 months. The chart shows the last 12 months, including months with zero patch notes. Counts are dated patch and update posts, not branch builds.
| 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 | 0 |
| October 2026 | 0 |