A fun and challenging shooting game where your job is to eliminate clusters of particles by firing other particles at them, to advance to higher levels. In some levels, the goal is to remove some of the clusters out of the scene by blasting them though a hole. In other levels, to destroy particle in a cluster, the color of the particles you fire must match that of the particle at which you're firing. Also, there is a fun freestyle mode that lets you practice your aim, play indefinitely with unlimited lives and health, and generally have fun blowing up clusters with no rules or restrictions. Great 3-D graphics, real physics, realistic collisions and explosions, and great sound. Enjoy playing!