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Castle Defense Online

Strategy 1 plays Added Jun 25, 2026
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Click inside the game to use keyboard controls
Game guide

About Castle Defense Online

Defend your fortress from relentless waves of enemies! Strategic positioning and powerful upgrades are your only hope. Crush your foes, collect stars, and fortify your defenses to emerge victorious in the ultimate castle wars.

How to play

  • Use your mouse to aim and click to fire at enemies
defensetower defenseactionstrategyupgrade
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