Skip to content
keyfinder.
Your game. Your choice of store.
Review us onTrustpilot

Foundation

City BuilderSimulationMedievalStrategySandbox86% positive on Steam
Polymorph GamesReleased 31 Jan 2025
13 active offers across 6 stores

All offers (13)

Compare the platform, region and delivery before you buy.

Delivery

Standard Edition 11 offers · EU & Global

  • Foundation PC Steam AltergiftSteam gift
    SteamGlobal
    Lowest price€28.71+ payment fee
    View deal
  • Foundation EU PC Steam AltergiftSteam gift
    SteamEurope
    €28.71+ payment fee
    View deal
  • Foundation EU PC Steam AltergiftSteam gift
    SteamEurope
    €28.71+ payment fee
    View deal
  • Foundation EUActivation key
    SteamEurope
    €28.83+ service fee
    View deal
  • Foundation (Global) (PC) - Steam GiftSteam gift
    SteamGlobal
    €29.99no Plus, no Protect
    View deal
  • Foundation Steam Key: Europe & UKActivation key
    SteamEurope
    €30.33
    View deal
  • Foundation Steam Key: GlobalActivation key
    SteamGlobal
    €30.33
    View deal
  • Foundation (PC) Steam Gift - EUSteam gift
    SteamEurope
    €30.36+ service fee
    View deal

Official store Steam · price for Germany

  • Steam store pageDirect purchase
    SteamGermany
    €33.99No fee
    View on Steam

Other regions 2 offers

Sold for Latin America, North America, Asia, the Middle East, Russia or an unspecified region. These keys usually cannot be activated from Germany.

  • Foundation (PC) - Steam Gift - JAPANSteam gift
    SteamAsia
    €25.49+ service fee
    View deal
  • Foundation (PC) - Steam Gift - NORTH AMERICASteam gift
    SteamNorth America
    €38.18+ service fee
    View deal

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

€40.00€30.00€20.00€10.0011 Oct 202611 Nov 2026
  • Lowest €15.7311 Oct 2026
  • Highest €30.6024 Oct 2026
  • Today €28.71

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

Foundation screenshot 1Foundation screenshot 2Foundation screenshot 3Foundation screenshot 4

Buy Foundation key: current price comparison

Where is the Foundation key cheapest?

The cheapest Foundation key that activates in the EU currently costs €28.71 at Kinguin. Keyfinder compares 13 offers from 6 shops for this price. That is 16% less than the Steam price of €33.99. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.

What was the lowest Foundation key price in the last 32 days?

€15.73 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €30.60 on 24 Oct 2026; today the cheapest key costs €28.71.

Which Foundation keys activate in the EU?

11 offers are marked EU or Global and activate 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 Foundation 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 Foundation 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

Games like Foundation

Games in similar genres.

About Foundation

Foundation is a grid-less, laidback medieval city-building game with a focus on organic development, monument construction and resource management.

Developer
Polymorph Games
Publisher
Polymorph Games
Release date
31 Jan 2025
Steam
View on Steam