This is an addictive online game with many distinct levels. The game will test your strategy making abilities and the high quality 3D graphics of the game enhances the interest level of the game. There is a deadly invasion and your goal is to defend your castle by strategically making the required moves. Different types of monsters and other enemy units will try to break in. Place the towers, castles and other deadly units in the tactical positions to eliminate the enemy units approaching in waves. The game can be played in easy, normal, hard or impossible modes. Control the game play with the computer mouse.