Defend the Castle: Card TD

Deck-builder Tower Defense!

Free · In‑App Purchases

DECK BUILDING TOWER DEFENSE Defend your castle against hordes of enemies! Build your tower card deck and rank up your towers to defeat increasingly powerful monsters! COLLECT AND LEVEL UP Collect elemental cards and build versatile decks to crush any foes that attack your castle. Craft your strategy and advance through increasingly difficult levels and enemies! TOWER CARD FUSION Combine tower cards to create unique and more powerful towers. Level up your cards! Fortify your tower defenses to beat powerful elite and boss enemies for great rewards as you progress your way up! PLAY WITH FRIENDS Play against other players (PvP). Attack opponents by releasing minions and defend against your opponents minions with your towers. Join or create an alliance to repel hordes of zombie enemies with your team! QUESTS Challenge yourself with timed quests and test your deck in themed challenges to earn limited-time rewards! Defend the Castle is free to download and play, however, some game items can also be purchased for real money. Information about drop rates for random item purchases can be found in-game. If you don't want to use this feature, please disable in-app purchases in your device's settings. The game also includes random rewards. You must be at least 13 years of age, or such higher age as required in your country, to play or download Defend the Castle. A network connection is required for this game (network fees may apply). Use of this application is governed by our Terms of Service, found at https://www.take2games.com/legal. For questions about the game, please review our game support page here https://smallgiant.aihelp.net/hc/account/4-Defend_The_Castle/en?p=ios. For information about how Zynga uses personal data, please read our privacy policy at www.take2games.com/privacy. © 2026 Zynga, Inc. All rights reserved. Small Giant Games Oy. Aleksanterinkatu 13, 00100 Helsinki

  • 3.8
    out of 5
    39 Ratings

Legendary Towers and Monsters: ∙ New Legendary Towers: Shotguns, Wizards, and Imperial Arrows ∙ New Legendary Monsters: Ettins, Griffins, and Werewolves Tower Rarity Reshuffling: ∙ Promoted: Hammer (Epic), Cactus (Epic), Beehive (Epic), Lantern (Epic), Rock Bomb (Rare) ∙ Demoted: Fire Bolt (Common), Pea Shooter (Common), Rotten Egg (Common) Economy Revamp: ∙ Rebalanced card upgrade costs and overall rewards New Water theme in the level progression: ∙ New rotation: Nature > Desert > Snow > Water > Lava > Spooky Spawn Next Wave (unlocks at Level 31): ∙ Added a button to trigger the next wave early once the current wave has fully spawned New collision logic: ∙ Improved gameplay ∙ Obstacles like Boulders now block monsters more effectively Energy changes: ∙ Adjusted energy distribution ∙ Enabled energy overflow

The developer, Small Giant Games, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers
    • Usage Data
    • Diagnostics
  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • User Content
    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

  • Seller
    • Small Giant Games Oy
  • Size
    • 200.2 MB
  • Category
    • Strategy
  • Compatibility
    Requires iOS 13.0 or later.
    • iPhone
      Requires iOS 13.0 or later.
    • iPad
      Requires iPadOS 13.0 or later.
    • iPod touch
      Requires iOS 13.0 or later.
  • Languages
    English and 19 more
    • English, Arabic, Danish, Dutch, Finnish, French, German, Indonesian, Italian, Japanese, Korean, Norwegian Bokmål, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish
  • Age Rating
    13+
    • 13+
    • Frequent
      Cartoon or Fantasy Violence
      Guns or Other Weapons

      Contains
      Loot Boxes
      Messaging and Chat
  • In-App Purchases
    Yes
    • Starter Pack $2.99
    • King's Pass $9.99
    • Bucket of Gems $9.99
    • Pile of Gems $1.99
    • Bag of Gems $4.99
    • Chest of Gems $19.99
    • Water Deals - Tier 1 $29.99
    • Water Deals - Tier 3 $4.99
    • Emblem Deals A - Tier 3 $9.99
    • Emblem Deals A - Tier 2 $19.99
  • Copyright
    • © 2026 Small Giant Games Inc.