Buy Kingdom of Cards PC Key

Looking for a cheap Kingdom of Cards key? As of 21 Aug 2026 the cheapest key costs £3.46 at Yuplay. We compare 15 offers from 15 stores, spanning £3.46 to £9.99. In keyshops the lowest price is £3.46, in official stores it starts at £9.99. With this many sellers the gap between the extremes is often several times over, so picking the store matters more here than waiting for a sale. On PC you buy a key that you activate in Steam or another client, and this is the widest market we track, with more than a quarter of games carrying a keyshop offer.

Release: 22 Sept 2025
Rubber Duck Games
Metacritic:
tbd tbd
Steam:
Mostly Positive (54)
Buy in Official Store:
£9.99
Buy in Keyshops:
-65%
£3.46
See price history

Official Stores (2)

DRM:
Steam
Steam
Steam
Kingdom of Cards
Windows
+1
5d ago
DRM:
Steam
Steam
£9.99
Green Man Gaming
Kingdom of Cards
Windows
+1
26w ago
DRM:
Steam
Green Man Gaming
£9.99

Keyshops (13)

DRM:
Steam
Steam
Kingdom of Cards
5.0
Windows
+1
3d ago
DRM:
Steam
Yuplay
£9.99 £3.46
-65%
-3% with XD3OFFcopy
-3% with XD3OFFcopy
Gameseal
Kingdom of Cards (PC) Steam Key - GLOBAL
Windows
+1
11h ago
DRM:
Steam
Gameseal
£9.99 ~£3.48
-65%
-17% with SEAL17XDDcopy
-17% with SEAL17XDDcopy
Difmark
Kingdom of Cards (PC)
Windows
+1
3w ago
DRM:
Steam
Difmark
£9.99 ~£3.56
-64%
-15% with XDDEALScopy
-15% with XDDEALScopy
Kingdom of Cards (PC) Steam Key GLOBAL
5.0
Windows
+1
16h ago
DRM:
Steam
Eneba
£10.12 ~£3.58
-64%
-10% with XDD10copy
-10% with XDD10copy
Driffle
Kingdom of Cards (Global) (PC) - Steam - Digital Key
Windows
+1
20h ago
DRM:
Steam
Driffle
£11.79 ~£3.85
-67%
-6% with XDDEALS6copy
-6% with XDDEALS6copy
Loaded
Kingdom of Cards PC
Windows
+1
19w ago
DRM:
Steam
Loaded
£9.99 £3.89
-61%
GameBoost
Kingdom of Cards (Steam)
Windows
+1
19w ago
DRM:
Steam
GameBoost
£10.26 ~£3.91
-61%

About Kingdom of Cards

Kingdom of Cards - about the game

Kingdom of Cards is a single-player strategy indie RPG that blends card crafting with resource management and automated combat on PC. Players build a kingdom by combining cards across specialized buildings to produce units, gather materials, and overcome bosses through careful preparation and tactical decisions during simultaneous fights.

Gameplay

The core loop centers on card combinations that turn basic resources into tools, weapons, and specialized units. Players start by farming lands in Castle Land to extract materials, then move those items to the Blacksmith for crafting experiments that unlock new cards. The Academy converts peasants into professionals like lumberjacks by pairing them with specific tools, while the Armory equips units with weapons to create soldiers, archers, mages, and necromancers. Exploration happens through the Explorer's Clan terminal, where units pair with locations to reveal rewards. The Thieves Den sends units to steal from manors or castles, and the Conqueror's Guild initiates conquest attempts that trigger combat phases. Hundreds of cards exist, tracked in a built-in album that shows names, descriptions, recipes, and selectable card backs featuring pop culture rubber ducks.

Combat runs automatically and simultaneously for all units and enemies. Attacks alternate between standard melee, ranged, or magic strikes and special abilities such as freeze, stealth, or heal. Passive abilities on certain units remain active for the full encounter. Success depends on matching unit types and abilities to enemy weaknesses while managing resources to keep forces alive across multiple locations.

Game Modes

Progression revolves around repeated runs that incorporate farming, crafting, exploration, theft, and conquest activities. Each run builds toward boss encounters, where specific challenges alter core mechanics such as resource flow or combat rules. These variations encourage experimentation with different card recipes and unit compositions once basic systems are understood. The album supports review and planning between runs by displaying all discovered cards and their combinations.

Key Mechanics and Progression

Resource management ties every system together. Materials flow from farms into crafting stations, then into training or deployment. Experimentation at the Blacksmith reveals new cards through trial combinations, while location-based activities provide varied rewards that feed back into unit creation. Boss fights introduce modifiers that shift priorities, such as emphasizing stealth or healing, requiring players to adapt their card decks and unit loadouts accordingly. The simultaneous nature of combat means positioning and ability synergy matter more than real-time inputs.

Is It Worth Playing?

Kingdom of Cards suits players who enjoy deliberate card crafting, automated combat, and iterative run progression in a single-player setting. The game reached full release after an Early Access period and maintains Mostly Positive reviews from 73 user submissions. Its systems reward experimentation with card recipes and unit builds, particularly for those interested in strategy titles that emphasize preparation over direct control. Availability on PC makes it accessible for sessions focused on building efficient kingdoms and overcoming the changing boss challenges. Those seeking fast-paced action or multiplayer elements may find the automatic combat and solo focus less engaging.

Interface:
GermanEnglishSpanish - Latin AmericaJapanesePortuguese - BrazilSimplified ChineseTraditional Chinese
Subtitles:
GermanEnglishSpanish - Latin AmericaJapanesePortuguese - BrazilSimplified ChineseTraditional Chinese

Age rating

Unavailable
Metacritic:
tbd tbd
Steam:
Mostly Positive (54)

Minimum:

  • Processor: Intel Core i5
  • Memory: 2 GB RAM
  • Graphics: NVIDIA GeForce GTS 450 / ATI Radeon HD 5750
  • Storage: 2 GB available space

Recommended:

Historical low
Price history from official stores
£3.81
GamersGate
6 months ago
Price history from keyshops
£1.98
Yuplay
4 months ago

FAQ

9 questions

Before you start looking for a cheap Kingdom of Cards PC key, check the essentials. Developed by Rubber Duck Games. Published by Gamirror Games. PC released date: 22 Sept 2025. Genres: Strategy, Indie, RPG, Casual, Early Access. Categories: Family Sharing, Steam Trading Cards, Single-player, Steam Achievements, Steam Cloud.

Q

Where to buy a cheap Kingdom of Cards Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a Kingdom of Cards key for as low as £3.46. This deal is available at Yuplay and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest Kingdom of Cards price on PC. Check the Kingdom of Cards price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the Kingdom of Cards Steam price is £9.99. You can save an extra ~6% by paying with a discounted Steam gift card.

Our price tracker covers both official retailers and key marketplaces, so you can find Kingdom of Cards on sale even outside seasonal promotions. We currently detect 15 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, Kingdom of Cards is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

We have recorded offers from 24 stores in total, and from 2 in the most recent reading. On days when both store types carried the game, the keyshop was cheaper by a median of 58%. The price reached its historical low on only 1 day out of 191 days with data. The cheapest offer came most often from Yuplay: 59 of 191 days with data.

Yes. Kingdom of Cards has an official page on the Steam Store. You can also buy a Kingdom of Cards Steam key from third-party sellers. Our price comparison currently includes 15 offers with Steam DRM. Pick one to ensure your Kingdom of Cards download happens on Valve's platform.

Yes, with minor tweaks. Kingdom of Cards is Steam Deck Playable - it works after small adjustments like selecting a Proton version or using the touchscreen for tiny launcher text. You can play Kingdom of Cards on Steam Deck.

According to our data Kingdom of Cards is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Kingdom of Cards deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

Best prices for Kingdom of Cards

1 Yuplay Yuplay Keyshop
-65% £3.46
2 Gameseal Gameseal Keyshop
-65% £3.48
3 Difmark Difmark Keyshop
-64% £3.56
4 Eneba Eneba Keyshop
-64% £3.58
5 Driffle Driffle Keyshop
-67% £3.85

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