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Royal Flux — The Astral Shadow Plague

StrategyCo-opRogueliteSingleplayerLocal Multiplayer0% positive on Steam
Arcane Architecture LimitedReleased 6 May 2026
1 active offer across 1 store

All offers (1)

Compare the platform, region and delivery before you buy.

Standard Edition 1 offer · EU & Global

  • Royal Flux - The Astral Shadow Plague PC Steam CD KeyActivation key
    SteamGlobal
    Lowest price€2.69+ payment fee
    View deal

Official store Steam · price for Germany

  • Steam store pageDirect purchase
    SteamGermany
    €21.25No fee
    View on Steam

You buy directly from the store. "+ service fee" or "+ payment fee" means the store adds a fee at checkout; you see the final price there before you pay. We may earn a commission when you buy through our links.

Best price over the last 32 days

€30.00€20.00€10.00€0.0011 Oct 202611 Nov 2026
  • Lowest €2.6910 Nov 2026
  • Highest €5.3011 Oct 2026
  • Today €2.69

The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.

Buy Royal Flux — The Astral Shadow Plague key: current price comparison

Where is the Royal Flux — The Astral Shadow Plague key cheapest?

The cheapest Royal Flux — The Astral Shadow Plague key that activates in the EU currently costs €2.69 at Kinguin. Keyfinder compares 1 offer from 1 shop for this price. That is 87% less than the Steam price of €21.25. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.

What was the lowest Royal Flux — The Astral Shadow Plague key price in the last 32 days?

€2.69 on 10 Nov 2026, for the standard edition that activates in the EU. The highest daily low in that time was €5.30 on 11 Oct 2026; today the cheapest key costs €2.69.

Which Royal Flux — The Astral Shadow Plague keys activate in the EU?

1 offer is marked EU or Global and activates in Germany and the rest of the EU. Keys for other regions are listed separately. The keys on offer are for Steam.

What a game key is and how to read an offer

How do I activate the Royal Flux — The Astral Shadow Plague key?

The cheapest key activates on Steam. You redeem it there with the code the shop sends you after you pay.

How to redeem a Steam key

Is it safe to buy a Royal Flux — The Astral Shadow Plague key from Kinguin?

Before you pay, check three things on the offer: the region (EU or Global for Germany), the edition and any fee added at checkout. Keyfinder shows all three on every offer. Our Kinguin check covers who runs the shop, its fees and its regions.

Is Kinguin legit? Read our check

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About Royal Flux — The Astral Shadow Plague

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.

Developer
Arcane Architecture Limited
Publisher
Arcane Architecture Limited
Release date
6 May 2026
Steam
View on Steam