The alien army is planning to shrink the city into rubble. Will you stop them? Take part in Nova Defender's attacks and destroy all of them. You can upgrade your soldiers and combat power and use special powers to repel enemy attacks. Collect as many coins as possible because you will need them when upgrading. Have fun!
Game controls: Use your mouse to play
Before get into the battle, you may want to take a look at the introduction of the weapons and soliders of the battle to understand how to use them