Hmmsim Metro Early Access

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Line 1, the most complicated subway in Seoul, is now coming in PC version. You can feel high immersion with the graphics that realize the actual Seoul scenery, the train driving sound, and the realistic train driving system. Experience the operation of the Seoul subway!

Developer: Jeminie Interactive
Released: 25 Jun 2021
Price: $19.99
Platforms
Followers: 4,567
Steam Deck: Playable
Languages: English +1

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Update posts

0 posts

Posts announcing an update, tagged as patch notes or not

Last 90 days · as of 28 Oct, 18:29 UTC

How this is measured

Posts in a game's official Steam news feed that announce an update: tagged as patch notes by the developer, or plainly about a patch or a released update.

News checked every 7 days. Observed since 22 Oct 2026.

An announcement is not a build. Developers can ship updates without a post, or post about several updates at once.
Untagged posts are recognised from their words, so a few updates are missed and a few other posts may be counted. Tagged posts are marked Patch notes on the Updates tab; recognised ones are marked Update.
Older posts are being read back through each game's history, most played games first, so months before October 2026 fill in over the coming days.

Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology

Announcements

Main Build 0228 Update Update
28 Feb 2026 · Community Announcements
Main Build 0129 Update Update
29 Jan 2026 · Community Announcements
Main Build 1129 Update Update
29 Nov 2025 · Community Announcements
Weather
12 Oct 2025 · Community Announcements
Main Build 0921 Update Update
21 Sept 2025 · Community Announcements
Main Build 0223 Update Update
23 Feb 2025 · Community Announcements
Main Build 0201 Update Update
1 Feb 2025 · Community Announcements
Gwangmyeong Station
27 Jan 2025 · Community Announcements
Main Build 1231 Update Update
31 Dec 2024 · Community Announcements
Improved train modeling and added controller support
3 Mar 2023 · Community Announcements

From the game’s Steam news feed, last checked 28 Oct, 18:29 UTC. An announcement is not a build: games can update without posting. Every public build we saw is on the Builds tab.

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