Build your perfect crystal tower!
1. Defend your crystal
Repel wave after wave of enemies, improve the defense and attack power of crystals through skill combinations,
2. Permanent upgrade
Unlock permanent and powerful upgrades for crystals, allowing you to make permanent, game-changing improvements and choose the best strategy for each battle and skill set.
Crystal Defense Battle Features:
• Perfect idle game, does not require real-time attention, does not take up time
• Simple and fun tower defense game
• Upgrades for different attributes are available
• Spend diamonds to permanently upgrade crystals
• Research different skill combinations for maximum attack effectiveness
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