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, howe...