Castle Defense Online is one of the Defense Games that you can play on UGameZone.com for free. You must defend the castle by shooting the oncoming enemy before they reach the end of the Castle, or they will destroy it. Earn stars and buy power-ups and upgrades to kill the most powerful enemies and upgrade your weapons to conquest the castle wars.
Enable Flash in Chrome settings. When Flash is disabled, the label will read " Block sites from running Flash ".Click the toggle to enable flash and the label will read " Ask First ". Shown like the following:
Now Click And then,click " Allow " in the box that appears in the top-left to play the game.Shown like the following:
