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Merge coins and fill the Open Sea with treasure!
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 ends
This is the base game required to play this DLC. Other expansions may also be required.
- A new Open Sea map
- 5 Sea Monkey skins
- 6 cute accessories
Make a splash with a brand new look!
Lowest tracked price: €1.09 (Jul 7, 2026) · current best: €1.99.
Right now the cheapest offer for Treasure Drop: Open Sea DLC 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 Treasure Drop: Open Sea DLC is €1.09 (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 Treasure Drop: Open Sea 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.
