

Early Access
Yes, last updated 16 days ago, averaging 0.3 updates a month.
Last checked Oct 21, 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.
Hmmsim Metro: 3 updates in the last 12 months, avg every 45 days. The chart covers 24 months from November 2024 to October 2026, including months with zero patch notes. Counts are dated patch and update posts, not branch builds. November 2024: 0, December 2024: 1, January 2025: 0, February 2025: 2, March 2025: 0, April 2025: 0, May 2025: 0, June 2025: 0, July 2025: 0, August 2025: 0, September 2025: 1, October 2025: 0, November 2025: 1, December 2025: 0, January 2026: 1, February 2026: 1, March 2026: 0, April 2026: 0, May 2026: 0, June 2026: 0, July 2026: 0, August 2026: 0, September 2026: 0, October 2026: 0.
| Month | Updates |
|---|---|
| November 2024 | 0 |
| December 2024 | 1 |
| January 2025 | 0 |
| February 2025 | 2 |
| March 2025 | 0 |
| April 2025 | 0 |
| May 2025 | 0 |
| June 2025 | 0 |
| July 2025 | 0 |
| August 2025 | 0 |
| September 2025 | 1 |
| October 2025 | 0 |
| November 2025 | 1 |
| December 2025 | 0 |
| January 2026 | 1 |
| February 2026 | 1 |
| March 2026 | 0 |
| April 2026 | 0 |
| May 2026 | 0 |
| June 2026 | 0 |
| July 2026 | 0 |
| August 2026 | 0 |
| September 2026 | 0 |
| October 2026 | 0 |
Oct 4, 2026 · Build
beta branch build 25708699
Latest build time Steam reports for the beta branch.
Jul 16, 2026 · Build
Public branch build 24233388
Latest build time Steam reports for the public branch.
Feb 28, 2026 · Build
prev branch build 21693444
Latest build time Steam reports for the prev branch.
Feb 28, 2026 · Patch note
Hello, This update includes the addition of ray tracing settings and a viewing mode. Ray Tracing [img src="{STEAM_CLAN_IMAGE}/40325742/d24f7ce3555c93b646283b1ebfcc987ae2669d0c.png"] A ray tracing option has been added to significantly improve overall lighting and shadow quality. This feature only works on GPUs that support hardware ray tracing, such as RTX…
Jan 29, 2026 · Patch note
Hello. In this update, passengers and CCTV have been added. Passengers [img src="{STEAM_CLAN_IMAGE}/40325742/809aa459b5a6da1b2de91f636b976f30c2c76e91.png"] [img src="{STEAM_CLAN_IMAGE}/40325742/9944e43023aaef2fd1e55f704dbcbeeb7b60fb0f.png"] Moving passengers have been added to stations and trains. Passengers board or alight depending on the situation, showi…
Hmmsim Metro last shipped a build on the beta branch 16 days ago (Oct 4, 2026).
Hmmsim Metro averaged 0.3 updates a month over the last year. Hmmsim Metro is irregular (40/100). 5 of the last 12 months had at least one update day. Gaps between updates are uneven.
No. Hmmsim Metro shipped a build or patch note within the last 90 days.