Zapxo

Game description:

Thousands of years have already passed since the Zap generation were wiped off the planet by the humans, however they have woken from the dead and are back for revenge. Fight for your life in this amazing defence game through 20 thrilling levels and three different difficulties. Kill Zaps and earn yourself points to upgrade your weapons and defences, the survival of the planet depends on you!

Game controls:

This game is played with the mouse only.