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The mystery thickens. Explore new areas of the castle and face even more intense paranormal activity in Chapter 3.
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.
In Chapter 3 of Opus Castle, the mystery surrounding the tragic events at Apa Street deepens. Shadows grow thicker, and the line between reality and illusion begins to blur. As you venture through previously unseen areas of the castle, you'll uncover disturbing memories hidden in its walls.
Paranormal phenomena become increasingly intense, and each decision you make pulls you closer to one of the many story paths—will you find the truth, or be swallowed by the castle’s darkness?
Lowest tracked price: PLN 5.84 (Jul 7, 2026) · current best: PLN 8.99.
100% positive reviews all-time.
Right now the cheapest offer for Opus Castle - Chapter 3 is PLN 8.99 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 Opus Castle - Chapter 3 is PLN 5.84 (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 Opus Castle - Chapter 3 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.
Audio & text: Portuguese - Brazil
Text only: English
