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High Alert: Invasion adds 18 new cards to the trade deck, and also adds 15 new single-player campaign missions, spread between Chapters 27 and 28 of the campaign!
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
This is the base game required to play this DLC. Other expansions may also be required.
High Alert: Invasion adds the following to the trade deck:
8 new Ships
8 new Bases
2 new Tech
It also includes Chapters 27 and 28 to the single-player campaign, with 15 total new missions!
Right now the cheapest offer for Star Realms - High Alert: First Strike is CA$4.99 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 Star Realms - High Alert: First Strike is CA$4.99 (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 Star Realms - High Alert: First Strike 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.
