This is an addictive tower defense game. Your goal is to protect your castle from monsters. There are five castles, 15 kinds of monsters, and many levels. Each level will encounter very challenging monsters. Kill monsters, get gold coins, use gold coins to upgrade the defense mechanism of the castle.

Select the appropriate defense tower at the bottom of the screen and drag it to the position you need. Remember that different defense towers have different functions, and a good combination of defense towers can make it easier for you to win.