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30 additional game maps, can play in multiplayer games with bot mode, co-op maps, and a sandbox map editor.
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
Official stores with direct support.
This is the base game required to play this DLC. Other expansions may also be required.
This expansion pack includes over 30 additional maps that can be played in online games, bot mode, and co-op mode, as well as a sandbox editor.
With the sandbox editor, you can create your own game maps, share them with other players via the Workshop, or experience maps created by other players.
The Additional Map in Multiplayer:
Once you purchase the map pack, you can immediately use it for online game. Players who haven't purchased this DLC can still join your room and play with you. In other words, even if you're the only one who owns the DLC, you can share these maps for multiplayer games with your friends or other players.
Note about the editor:
The sandbox editor is a tool provided by the development team for players. However, due to the limited resources, our primary focus remains on the development of the main game. As a result, the editor may have stability issues with future updates. Additionally, using the editor requires a certain level of understanding and knowledge of the game's mechanics. If the sandbox mode is your main reason for purchasing this DLC, we advise you to carefully consider your decision.
Lowest tracked price: PLN 31.99 (Jul 7, 2026) · current best: PLN 31.99.
0% positive reviews all-time.
Right now the cheapest offer for Extremely Realistic Siege Warfare Simulator - Map Pack and Sandbox Editor is PLN 31.99 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 Extremely Realistic Siege Warfare Simulator - Map Pack and Sandbox Editor is PLN 31.99 (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 Extremely Realistic Siege Warfare Simulator - Map Pack and Sandbox Editor 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.
