Start the game and blue ball and red ball appeared. Yourself to the operation, it was the blue color "crab balls". To operate this crab ball, it hits on the enemy red "bad", to get rid of is the object of the game.
To get rid of the bad is it okay if Butsukere to red wall above a certain level of speed. Bad is "large bad", "medium bad", there are three types of "small bad", and division and hit the wall, is smaller in the order of "large bad" → "medium bad" → "small bad" go. Striking a "less bad" to the wall, it is possible to finally extinguish. Of course, since I also will die and hit the wall with more than a certain speed, must Ika playing the bad being careful. In this way, it is the stage clear if caused to extinguish all of the bad from the screen.
Source: The Developer Website.
Japanese name: 蟹味噌