PCGame

Hmmsim Metro

Seoul subway driving simulator with detailed train controls and signals

Jeminie Interactive · Released Jun 25, 2021 · Early Access

IndieSimulation

Reviews
Very Positive
91% of 2,016
Recent reviews
Very Positive
89% of 28 in 30 days
Players
37
daily peak, Nov 7, 2026
Steam Deck
Playable
Last update on Steam
3 months ago
Jul 16, 2026
Minimum PC
GTX 1060
8 GB RAM · 4 GB disk
Full requirements

What is Hmmsim Metro?

A single-player subway driving simulator set on Seoul Subway Line 1, between Kwangwoon Univ and Anyang/Gwangmyeong. From the driver's cab, you run trains through aboveground and underground stations, follow signals, control speed, and switch between AC and DC power where required.

For you if...

  • +you enjoy careful station stops and signal-based driving
  • +you like operating trains on a Seoul subway route

Not for you if...

  • −you want a driving game without technical procedures
  • −you expect a selection of separate subway lines

What players say

91% of 2,016 reviews are positive · 89% of 28 in the last 30 days

Players praise the Seoul scenery, train handling, busy traffic, and performance. Some find the controls hard to learn; older complaints about limited guidance predate a newer tutorial update.

Players over time

▲ +19% vs a month ago

Players online on Steam, one sample a day.

Highest since Sep 2026: 38 players on Oct 9, 2026.

Show the data
DayPlayers
Nov 7, 202637
Nov 6, 202613
Nov 5, 202614
Nov 4, 20267
Nov 3, 202613
Nov 2, 202612
Nov 1, 202629
Oct 31, 202628
Oct 30, 202610
Oct 29, 20267
Oct 28, 20267
Oct 27, 20263
Oct 26, 20264
Oct 25, 202624
Oct 24, 202619
Oct 23, 20266
Oct 22, 20269
Oct 21, 20264
Oct 20, 20262
Oct 18, 202626
Oct 17, 202620
Oct 16, 20264
Oct 15, 20265
Oct 14, 20269
Oct 13, 20268
Oct 11, 202625
Oct 10, 202628
Oct 9, 202638
Oct 8, 202612
Oct 7, 202614
Oct 6, 20265
Oct 4, 202633
Oct 3, 202620
Oct 2, 202614
Oct 1, 20267
Sep 30, 20267
Sep 29, 20265
Sep 27, 202625
Sep 26, 202629
Sep 25, 202632
Sep 24, 202620
Sep 23, 202621
Sep 23, 20265
Sep 22, 20264

Screenshots and trailer

Hmmsim Metro screenshot 1

Hmmsim Metro system requirements

Minimum: GTX 1060, 8 GB RAM, 4 GB of disk space.

As published by the developer.

Can my PC run Hmmsim Metro?

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Minimum

OS
Windows 10
Processor
Intel Core i5
Graphics
NVIDIA GTX 1060
Memory
8 GB RAM
Storage
4 GB available space
DirectX
Version 12

Recommended

OS
Windows 10
Processor
Intel Core i7
Graphics
NVIDIA RTX 2060
Memory
16 GB RAM
Storage
4 GB available space
DirectX
Version 12

Does Hmmsim Metro have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does Hmmsim Metro run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

  • Default controller config not fully functional
  • Some in-game text is small and may be hard to read
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows
Steam features
Family Sharing
Languages
Text only: Korean, English.

Does Hmmsim Metro use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam

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