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Uncover lost treasures of the past, discover ancient technologies, and guide your empire into a new age of prosperity. Lost Treasures adds new colony events, planetary improvements, ship components and more.
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 Social Deduction Fest ends
Official stores with direct support.
Third-party resellers. Often cheaper, without official store support.
This is the base game required to play this DLC. Other expansions may also be required.
Other games from the same series.
Right now the cheapest offer for Galactic Civilizations III - Lost Treasures DLC is CA$2.74 at K4G. KingsPrice compares 6 offers from 6 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Galactic Civilizations III - Lost Treasures DLC is CA$2.46 (recorded on Jul 13, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle.
Create a free price alert on this page and KingsPrice will email you when Galactic Civilizations III - Lost Treasures 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.
