Originally made in KNP. This game is a demake of Cactus' classic shmup Clean Asia.
Boost into the bosses' panels with X to create debris. Hold C to gather the debris. Tap X to shoot the debris one at a time, or release C to shoot it all at once. A boss is defeated once all of its panels are destroyed. There are five bosses in total.
Tap X: Boost
Hold C: Attract debris
Hold C + Tap X: Shoot debris
Release C: Shoot all debris at once