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The Train DLC expands the base game, introducing a new map centered around the Train and its theme. Get ready for a challenging battle with multiple choke points, cover opportunities, new units, and updated models for existing soldiers.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
This is the base game required to play this DLC. Other expansions may also be required.
Right now the cheapest offer for Operation: Polygon Storm - The Train DLC is CA$2.59 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 Operation: Polygon Storm - The Train DLC is CA$1.03 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Operation: Polygon Storm - The Train DLC 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.
