Royal Defense - Invisible Threat

Royal Defense - Invisible Threat
Trolls are ready to invade your country. Defend your fortress, build towers, earn money, collect crystals and use spells! The enemy must not get through!

The game requires strategic thinking, especially if you play in "Hard" mode.

Features:

• 40 progressively challenging levels
• 2 unique game settings
• 17 creature types
• 12 types of expandable towers and structures
• extensive magic system
• In-game shop for various upgrades.