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The war between the loyalists and the rebels within the TEC, Advent and Vasari continues within the depths of Trader Space. Yet, this sector of the galaxy has far more worlds and far more history than any of the factions are aware. Survival forces each to expand into the unknown, discovering worlds of hazard, wealth, risk, and mystery.
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 starts Jul 20, 2026
Official stores with direct support.
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
This is the base game required to play this DLC. Other expansions may also be required.
Other games from the same series.
Lowest tracked price: £1.27 (Jul 12, 2026) · current best: £1.29 across 5 stores.
94% positive reviews all-time.
Right now the cheapest offer for Sins of a Solar Empire: Rebellion - Forbidden Worlds® DLC is £1.29 at K4G. KingsPrice compares 5 offers from 5 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Sins of a Solar Empire: Rebellion - Forbidden Worlds® DLC is £1.27 (recorded on Jul 12, 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. Keyshop prices vs Steam →
Create a free price alert on this page and KingsPrice will email you when Sins of a Solar Empire: Rebellion - Forbidden Worlds® 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.
