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This DLC contains bonus content relative to Master Key: 2 posters/wallpapers and 3D file.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 7, 2026.
Steam Train Fest ends
Official stores with direct support.
This is the base game required to play this DLC. Other expansions may also be required.
Try this game before buying.
Lowest tracked price: €1.99 (Jul 20, 2026) · current best: €1.99.
0% positive reviews all-time.
Right now the cheapest offer for Master Key - Bonus content is €1.99 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 Master Key - Bonus content is €1.99 (recorded on Jul 20, 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 Master Key - Bonus content 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.
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