Hmmsim Metro
Seoul subway driving simulator with detailed train controls and signals
Jeminie Interactive · Released Jun 25, 2021 · Early Access
- Reviews
- Very Positive
- 91% of 1,851
- Recent reviews
- Very Positive
- 100% of 19 in 30 days
- Playing now
- 21
- right now
- Steam Deck
- Playable
- Last update
- 6 months ago
- Feb 28, 2026
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 1,851 reviews are positive · 100% of 19 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.
Screenshots and trailer
Hmmsim Metro system requirements
As published by the developer.
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
PC version details
DRM, required accounts, controller support and Steam features.
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows
- Steam features
- Family Sharing
Steam Deck: Playable
- 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
Tags
- Simulation
- Trains
- 3D
- Realistic
- Transportation
- Driving
- Early Access
- Singleplayer
- Indie
- Immersive Sim
- Physics
- Automobile Sim
Recent updates
- Feb 28, 2026 · Main Build 0228 Update
- Jan 29, 2026 · Main Build 0129 Update
- Nov 29, 2025 · Main Build 1129 Update
- Sep 21, 2025 · Main Build 0921 Update
- Feb 23, 2025 · Main Build 0223 Update
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