Mercenaries gather in the battle arena to hone each other's skills in preparation for the oncoming battle with Bugs Aliens. The story of what is called the Ikas Gunner has begun. Control the combat machine, destroy the blocking targets and climb the floor! It was The initial aircraft is standard equipment, but new weapons will be supplied for each Floor 10. In addition, when a surprise battle is held, you can do 1vs1 and 2vs2 PVP batting.