Game content is very simple. Just to defense so as not to approach the base of the invaders.

Invaders come to attack the base with all kinds of means. Trying to attack assess'm rather ~.
If left untreated Among the invaders and quite annoying person,
Do it to good use, some have to be able to proceed with the war situation to advantage.
In addition, some very brutal boss. Watch out.
We'll beat the hammer of justice to the invaders us.

Hero of the method of operation
Tap shooting the screen.
Scroll machine gun turning to the right and left in a state where the tap
Tap deathblow a face graphic in a state in which the SP has accumulated up to a maximum of