Defend your castle from invading monsters in this fun tower defense game. Place towers along the path, including archer towers, volcano towers and freezing towers, to attack your enemies as they pass. Cast powerful magic spells to help repel your foes. Play through 15 levels and earn gems, which you can use to upgrade your magic spells. If you like Wonder Defender, you can put it to your favorites. So it can be convenient for you to play later!