
Publisher: Arcane Architecture Limited · Release date: 2026-05-06
The cheapest Royal Flux — The Astral Shadow Plague key that activates in Ireland has a listed price of €2.49 at Kinguin (Steam, GLOBAL key). That is 88% less than the dearest offer we track. That compares with €21.25 on Steam. Checked .
A simultaneous card battle system built on rock-paper-scissors kingdom logic, 18 races, five game modes, and a deck engine designed to reward planning over luck. Royal Flux plays fair. Build smarter or fall.
Prices last checked . Each is the price the store lists; marketplaces add a service fee at checkout.
Yes. The cheapest key that activates in Ireland costs €2.49, 88% less than the €21.25 Steam asks.
The lowest price we recorded for Royal Flux — The Astral Shadow Plague in the last 30 days, counting keys for every region, was €2.49. The lowest listed price for a key that activates in Ireland is €2.49 today.
Not always. Stores that sell their own keys, such as Steam and GOG, add no service fee, though sales tax is added at checkout in the US and Canada. Marketplaces add a service fee at checkout, and some payment methods add their own, so on a marketplace the total at checkout will be higher than the price listed here.
Official stores sell their own keys. Marketplaces and third-party sellers sell keys from other sellers: check the seller and the key’s region before you buy, and pay through the store’s own checkout.
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