Welcome to alien infested planet! In campaign mode, missions range from offense to defense missions upon which you can build a base to stop the alien horde. Or there is a survival mode with 6 maps, where you destroy wave after wave of incoming aliens.
The nano robot called Antidote must protect human body from the attacks of various viruses. Try different combination of weapons to find out what works best for each level. Humanity needs your help!
Use the artillery to destroy as many enemy soldiers as you can. Blow up bridges, buildings and towers to complete each level. Try to collect as many stars as possible.