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Castle Siege

An asymmetric 1v1 tower defense/offense multiplayer game set in a fantasy medieval setting. Attack or defend the castle. Level up, and use magical spell cards to gain an advantage.

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Developer
Mordi
Publisher
Mordi
Release
Coming Soon
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Updated: Jul 14, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 14, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 14, 2026Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Castle Siege and Mordi funded?FundingThe known source of funding behind the game.
Updated: Jul 14, 2026Creative controlWho appears to retain creative control of the game.
Updated: Jul 14, 2026Release statusWhether and how the game has been released.

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About the Game

Castle Siege is a multiplayer 1v1 tower defense and offense game, set in a stylized medieval world.




One player attacks, and the other defends. The attacker can buy units and send them out to destroy the castle. The defender can place turrets along the path to stop the units.



Upgrade your units or turrets to give them special traits like lifesteal, health regeneration or extra damage.


Buy magic spell cards to inflict damage on your opponent, or to buff your own troops.



  • Tactical tower defense gameplay.
  • Strategic tower offense gameplay.
  • Use spell cards to gain an upper hand.
  • Level up by killing units or turrets.
  • Gain stronger spells and upgrades.
  • Customize your castle flag using colors and symbols.
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