Skip to content
keyfinder.

Cossacks 3

StrategyRTSWarMultiplayerHistorical82% positive on Steam
GSC Game WorldReleased 20 Sept 2016
44 active offers across 9 stores

All offers (44)

Compare the platform, region and delivery before you buy.

Delivery
Edition

Standard Edition 33 offers · EU & Global

  • Cossacks 3 PCActivation key
    SteamGlobal
    Lowest price€4.19
    View deal
  • Cossacks 3 PC Steam CD KeyActivation key
    SteamGlobal
    €4.55+ payment fee
    View deal
  • Cossacks 3 (PC) Steam Key - GLOBALActivation key
    SteamGlobal
    €4.57+ service fee
    View deal
  • Cossacks 3 (PC) Steam Key - EUActivation key
    SteamEurope
    €4.57+ service fee
    View deal
  • Cossacks 3 EN/DE/FR GlobalActivation key
    SteamGlobal
    €4.62+ service fee
    View deal
  • Cossacks 3 Steam Key GLOBALActivation key
    SteamGlobal
    €4.68+ fee possible
    View deal
  • Cossacks 3 (Global) (PC / Linux) - Steam - Digital KeyActivation key
    SteamGlobal
    €4.73no Plus, no Protect
    View deal
  • Cossacks 3 Steam Key EUROPEActivation key
    SteamEurope
    €4.92+ fee possible
    View deal

Gold Edition 4 offers · EU & Global

  • Cossacks 3 Gold Edition Steam Key EUROPEActivation key
    SteamEurope
    €10.32+ fee possible
    View deal
  • Cossacks 3 Gold Edition EN/DE/FR GlobalActivation key
    SteamGlobal
    €14.28+ service fee
    View deal
  • Cossacks 3 Gold Edition Steam Key GLOBALActivation key
    SteamGlobal
    €14.89+ fee possible
    View deal
  • Cossacks 3 Gold Edition (Global) (PC / Linux) - Steam - Digital KeyActivation key
    SteamGlobal
    €15.53no Plus, no Protect
    View deal

Deluxe Edition 4 offers · EU & Global

  • Cossacks 3 Digital Deluxe Edition PC Steam CD KeyActivation key
    SteamGlobal
    €11.27+ payment fee
    View deal
  • Cossacks 3 Deluxe Edition EN/DE/FR GlobalActivation key
    SteamGlobal
    €11.46+ service fee
    View deal
  • Cossacks 3 - Digital Deluxe Edition Steam KeyActivation key
    SteamGlobal
    €11.71
    View deal
  • Cossacks 3 Deluxe Edition (PC) Steam Key - GLOBALActivation key
    SteamGlobal
    €12.20+ service fee
    View deal

Official store Steam · price for Germany

  • Steam store pageDirect purchase
    SteamGermany
    €19.99No fee
    View on Steam

Other regions 3 offers

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

  • Cossacks 3 (PC) - Steam Key - LATAMActivation key
    SteamLatin America
    €8.28+ service fee
    View deal
  • Cossacks 3 (PC) - Steam Key - CISActivation key
    SteamRussia
    €8.68+ service fee
    View deal
  • Cossacks 3 (PC) - Steam Gift - LATAMSteam gift
    SteamLatin America
    €24.23+ 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

€20.00€10.00€0.0011 Oct 202611 Nov 2026
  • Lowest €3.9611 Oct 2026
  • Highest €4.3825 Oct 2026
  • Today €4.19

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

Buy Cossacks 3 key: current price comparison

Where is the Cossacks 3 key cheapest?

The cheapest Cossacks 3 key that activates in the EU currently costs €4.19 at Loaded. Keyfinder compares 44 offers from 9 shops for this price. That is 79% less than the Steam price of €19.99. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.

What was the lowest Cossacks 3 key price in the last 32 days?

€3.96 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €4.38 on 25 Oct 2026; today the cheapest key costs €4.19.

Which Cossacks 3 keys activate in the EU?

41 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 and GOG.

What a game key is and how to read an offer

How do I activate the Cossacks 3 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 Cossacks 3 key from Loaded?

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 Loaded check covers who runs the shop, its fees and its regions.

Is Loaded legit? Read our check

Games like Cossacks 3

More games by GSC Game World and games in similar genres.

About Cossacks 3

Cossacks 3 is the return of RTS classics. Obtain resources, build cities and research technologies while taking command of great armies, crushing enemies in grand historical warfares on land and sea!

Developer
GSC Game World
Publisher
GSC Game World
Release date
20 Sept 2016
Steam
View on Steam