
Early Access
No. Last updated 5 years ago, with no recorded updates per month, and nothing new since.
Last checked Oct 22, 2026
The newest build is on the beta branch, more than 36 hours after the public branch. Steam's own Early Access notice looks at the public branch and can miss that beta activity.
Sep 13, 2021 · Patch note
Sentinels: Returning in January (opens in new tab)
This isn't a post I wanted to make, but here we are. TL;DR: Not abandoned, not by a long shot, just accepting the inevitable that we need a longer break after the great lockdown of 2020 broke... literally everything. We'll be back at the end of the year after a proper recharge and upgrade. If you want more details - we kept promising updates, and I know the…
Feb 11, 2020 · Build
beta branch build 4665025
Latest build time Steam reports for the beta branch.
Dec 17, 2019 · Build
Public branch build 4495695
Latest build time Steam reports for the public branch.
Dec 17, 2019 · Patch note
Winter is here! (opens in new tab)
Grab your coats! The creeps are feeling chilly and will explode into snowflakes this holiday season. Some creeps are also feeling a bit bah humbug, and didn't want to leave halloween behind... don't be surprised to see a few bats flying around here and there. (Real talk - a bug in the critical hit points are causing bats instead of snowflakes in some areas.…
Dec 9, 2019 · Patch note
Happy holidays everyone! Here's a beta before the big Christmas update. (For instructions on how to join the beta, click here .) Fix for creeponium being too dark in mission 2 Major improvements to missiles Added red beam to enemy attacks Reduced sniper recoil Lots of tuning changes Reduced enemy power on last wave of Iron Sky Repair pack now only recovers…
Sentinels last posted a patch note 5 years ago (Sep 13, 2021: Sentinels: Returning in January (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.
Sentinels: 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 |