Royal Defense: Invisible Threat
Take part of an exciting story based on the dwarven kingdom's eternal struggle against the troll hordes, who want to crush the dwarves and claim their territory! To defeat these monstrous hordes, you must construct defensive towers and units and learn to wield powerful spells. Build towers, earn money, collect crystals and upgrade your spells - the enemy shall not pass!
Use the mouse to build defensive towers and learn an elaborate system of magic. Collect gold and various resources to upgrade your towers and spells. Tap anywhere you like for a handy pop-up menu listing all the units and structures you can build in that location. See in-game help for detailed instructions.
600 MHz processor
512 MB RAM
32 MB video RAM
85 MB free disk space
Developed by: 8Floor LTD