History of Invasion – Follow along with the History of Invasion as you travel through decades of alien violence and abductions. You are an alien that has been sent to Earth to destroy, abduct and humiliate the humans and their world.
In each level you will be given certain objectives that you must complete. To complete these missions, you will need to create building destroying robots and drop them on buildings to begin their attack. Select robot creation by pressing the Z key. Create robots by pressing the left mouse button. Your space ship also comes equipped with lasers and a special gravity beam. These can be activated by pressing the X or C buttons.