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Undying Flame

Bullet HellHack and SlashRogueliteIncrementalTower Defense50% positive on Steam
Per Sidera IndustriesReleased 8 Sept 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

  • Undying Flame PC Steam CD KeyActivation key
    SteamGlobal
    Lowest price€3.99+ payment fee
    View deal

Official store Steam · price for Germany

  • Steam store pageDirect purchase
    SteamGermany
    €5.69No 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

€6.00€5.00€4.00€3.00€2.0011 Oct 202611 Nov 2026
  • Lowest €3.9911 Oct 2026
  • Highest €3.9911 Oct 2026
  • Today €3.99

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

Buy Undying Flame key: current price comparison

Where is the Undying Flame key cheapest?

The cheapest Undying Flame key that activates in the EU currently costs €3.99 at Kinguin. Keyfinder compares 1 offer from 1 shop for this price. That is 30% less than the Steam price of €5.69. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.

What was the lowest Undying Flame key price in the last 32 days?

€3.99 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €3.99 on 11 Oct 2026; today the cheapest key costs €3.99.

Which Undying Flame 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 Undying Flame 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 Undying Flame 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 Undying Flame

Keep the fire alive, commit to a build, and carry 91 relics through a campaign that transforms from Fire to Star to Void. No ads or purchases.

Developer
Per Sidera Industries
Publisher
Per Sidera Industries
Release date
8 Sept 2026
Steam
View on Steam