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一组侦探小队受章鱼岛主人之邀，对六年前的海妖悬案发起挑战。她们需要在二十四小时内完成调查，并各自提交一份答案。最后，出现了七种截然不同的解答……
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
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Right now the cheapest offer for 孤岛海妖 The Sea-demon is CA$11.79 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 孤岛海妖 The Sea-demon is CA$8.25 (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 孤岛海妖 The Sea-demon 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.
