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Subway Builder is a hyperrealistic transit simulation game. Build a new subway system from the ground up while dealing with real-world constraints and costs. Craft the subway system your city deserves.
Price history tracked since Jul 17, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 17, 2026.
Steam Train Fest ends
Official stores with direct support.
Subway Builder is a hyperrealistic transit simulation game built using live data from US and UK cities.
Real-World Passenger Simulation
Millions of commuters are generated from Census and Redistricter data and simulated using the same pathfinding algorithms you use on your phone. Your job is to design a route network that gets the most people to their destination as fast as possible. Juggle station placement, transfer dynamics, and train frequency to maximize ridership.
In-Depth Analysis
Explore how individual commuters weigh tradeoffs between wait times, transfers, income distribution, delays, and more, to pick their commute. Understand which routes, stations, and trains your commuters take and use that information to optimize your network.
You must also find the right balance between cost and time using this analysis. Too many trains on a line or an overcrowded station may cause delays or disruptions.
Authentic Data
The US and UK census records home and workplace locations. The game generates millions of commuters with homes from that and then uses a distance-based gravity model to assign them all workplaces. They're also assigned times to leave to/from work in a distribution similar to real life. Please note that a broadband connection is required to maintain the real data used by the game.
This decision is then made based on how long each commute method takes, how much it costs, and the value of their time (different commuters can have different incomes).
If they decide to take the subway you can follow their commute (and thousands of others simultaneously) as they get to work. If a train is delayed or cancelled, it will affect their commute and future commuters will take that into account.
College and airport commuters are also simulated and they behave differently since they have different income distributions and commuting times. Federal data is used for college student counts and FAA data for airports.
Current cities in Subway Builder include: Atlanta, Austin, Baltimore, Boston, Charlotte, Chicago, Cincinnati, Cleveland, Columbus, Dallas, Denver, Detroit, Honolulu, Houston, Indianapolis, Miami, Milwaukee, Minneapolis, New York, Philadelphia, Phoenix, Pittsburgh, Portland, Salt Lake City, San Diego, San Francisco, Seattle, St Louis, and Washington in the US. Birmingham, Liverpool, London, Manchester, and Newcastle are cities available in the UK.
Lowest tracked price: €21.36 (Jul 17, 2026) · current best: €21.36.
49% positive reviews in the last 30 days (49% all-time) · ~32 new reviews/day · 499 peak players in the last 30 days.
Right now the cheapest offer for Subway Builder is €21.36 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Subway Builder is €21.36 (recorded on Jul 17, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Subway Builder peaked at 499 concurrent players on Steam in the last 30 days (highest on Jul 17, 2026). The player chart on this page updates daily.
Create a free price alert on this page and KingsPrice will email you when Subway Builder drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
