Game Overview
Seoul Subway Line 1 becomes a demanding driver’s-seat simulation rather than a simplified sightseeing ride. Hmmsim Metro recreates the busy corridor from Geumcheon-gu Office to Cheongnyangni, covering roughly 28 kilometres and 21 stations across a mix of open-air rail and underground tunnels. Real-world-inspired city scenery, cab details, rolling noise, announcements, and the changing light of different operating times give the route a convincing everyday-commuter atmosphere. The tone is methodical and authentic: success comes from concentration, timing, and respecting the railway’s safety systems.
Players operate trains from a detailed cab, following scheduled diagrams, stopping accurately at platforms, working doors and platform screen doors, and monitoring route information as stations approach. Driving is not simply a matter of pushing the throttle; ATS signals enforce speed awareness, while the driver safety device requires regular attention so you cannot casually coast through a run. Certain sections require an AC/DC power changeover, adding another operational task that reflects the quirks of the line’s infrastructure. Multiple timetables create varied services and train assignments, and a hidden service offers an extra objective for players who want to dig beyond the standard roster.
What stands out is the commitment to a specific, recognizable slice of Seoul rather than a generic metro network built around broad accessibility. Above-ground stretches let the cityscape and weather-like shifts in daylight break up the enclosed tunnel running, while the underground stations emphasize precision braking and signal discipline. Its controls and safety procedures make it more specialized than arcade rail games, but they also produce the satisfying rhythm that simulation fans expect from titles such as Train Simulator Classic or Train Sim World. Hmmsim Metro suits players who enjoy mastering real transit operations, learning a route station by station, and treating a smooth, punctual run as the reward.
Screenshots
Installation
- Select the Download button at the top of this page to open UploadHaven.
- On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
- When complete, extract the archive to a Hmmsim Metro folder using 7-Zip.
- Open the extracted folder and start the game normally.
- For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.
System Requirements
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: Intel Core i5
- Memory: 8 GB RAM
- Graphics: NVIDIA GTX 760
- Storage: 3 GB available space
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Hmmsim Metro (v2025.02.28)?
After extracting Hmmsim Metro (v2025.02.28), navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.
What should I do if the downloaded file is corrupted?
The full archive is 2.20 GB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.
Do I need to run the game as administrator?
Usually, no. Start the game normally from the extracted folder. If you see a permissions or save error, check that the folder is writable and follow the game's documented fix. Only grant administrator access when a trusted game's specific setup requires it.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
Check that extraction completed and your PC meets the system requirements. Note any error message before choosing a fix. If it identifies a missing runtime, install the required DirectX components or Microsoft Visual C++ Redistributable from Microsoft.
My antivirus is blocking the game — is it safe?
A warning needs to be investigated; the download source alone cannot confirm that a file is safe. Keep your security software enabled and review the detection details. Do not run or restore a flagged file unless you have verified that it is a false positive. If you are unsure, leave it quarantined.