Please wait for a while until a screen showed. Destroy the enemy who appears one after another by the shot. The bar of the upper right is the shield. When it disappears by enemy's attack, a game will be over. Controls A game begins when you click on the title screen.
Mouse cursor is gun sight.
It is pose when a P key is pushed. It is canceled when it is pushed one more time. It is returned to the title screen when an E key is pushed during the pose. On and off of the effect sound can be changed with the S key. Click at the inside of screen when key isn't effective.