A Kingdom of Cards Steam Key — also known as a CD Key or digital code — is the official activation code you redeem on Steam and keep in your library permanently. From €3.35 (-72%) at Difmark, Steam Account format · Cheapest official key: €3.95, 66% below the €11.79 Steam price · 14 verified stores, 14 offers in stock · Updated 01h 43min ago.
Combine cards to craft tools and weapons to create different units. Farm your lands with farmers, send an explorer to a cave, a thief to steal a mansion or soldiers to conquer a town. Manage your resources to create the best units to defeat every boss.
Cards can be combined in multiple ways depending on the building used. The game has several buildings that allow players to use cards in multiple ways.
Castle Land - Farm your lands to extract resources. Use resources to craft weapons and tools.
Blacksmith - Craft tools and weapons using items. Discover new cards by experimenting with different items.
Academy - Teach peasants a profession using tools. Give a peasant an axe and you’ll get a lumberjack that can extract better resources from the forest.
Armory - Train your units with different weapons to create soldiers, archers, mages, necromancers and more.
Explorer’s Clan - This terminal allows players to explore locations. Combine a unit card with a location to explore it and see what the unit found.
Thieves Den - Use units to steal from locations. Send a thief to a manor, town or castle to see what it gets.
Conqueror’s Guild - Conquer locations using units. Each location spawns a combat phase that players must win to get rewards.
There are hundreds of cards to discover throughout the game. To make it easier to view every discovered card we built an album that displays the card with its name, description and recipes. We also added card backs to the album, you can select your favorite from a collection of pop culture rubber ducks.
Everything in the game runs simultaneously, including combat. This means player units and enemies will attack automatically with random attacks between normal (melee, range or magic) and special abilities (freeze, stealth or heal). Some units also have passive abilities that are active throughout the entire combat. Strategize accordingly depending on the type of enemy you are dealing with to keep your units alive.
The game has several bosses to defeat. Each boss comes with a set of challenges that dramatically change how the game works, making runs more interesting for players that have mastered the basic mechanics of the game. 
Kingdom of Cards for PC starts at €3.35 at Difmark, 72% under the €11.79 of the official store — but that is a shared account, not a key of your own. If you want a key tied to your own account, the cheapest is €3.95 at Eneba.
That €3.35 already includes the Gocdkeys coupon, so apply it at checkout or the store will show you a higher price.
With 14 offers across 14 stores there is enough competition for the price to move, so the gap between the cheapest and the rest is worth checking before you buy.
That puts it 11% under its average of €3.77 since 2025, so today is a better entry point than most days of its life.
That €3.95 key is expensive for what it usually costs.
Worked out from 1,980 daily records of the Steam Key for Kingdom of Cards across 17 stores. See the full price history.
The price does not include each store's payment fees. The percentage is measured on the store price, without coupons, because that is how we record the history. The analysis only counts Key offers. Shared accounts, Steam Gift and physical editions stay out, because they are not the same product and their prices move differently.
With the shared account at Difmark you log into an account that already owns the game: it is the cheapest route, but it never becomes yours and the seller keeps the credentials. If they ever lose or change them, you lose access.
The key at Eneba costs €0.60 more, but you redeem it on your own account and the game stays there for good. That is the difference between renting and buying.
All 14 offers are Global, so the code redeems on any account no matter where it was created.
Kingdom is a truly beautiful game that takes the core concepts of strategy games and cuts the genre's mechanics to the bone. This minimalism cuts... Read more
Kingdom is clever and definitely a fresh experience. A solid management system is held back by a lack of control and stumbling AI. Growing your... Read more
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What do our users think of Kingdom of Cards for PC Digital?
Ready for some epic strategy vibes ? In Kingdom of Cards, you dive into a world cards rule everything ! Every match is a challenge, you gotta think smart to be the boss. Build you deck, win battles, and become the king of the kindgom ! So much fun, you'll lose track of time ! Plus, each win unlock sool cards and powers !
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