Atomic Mass is a Hyper-Action dual joystick 3D twitch shooter video game. Do battle at the atomic level. Features: Battle over 300 enemies simultaneously! Powerful physics and rendering engine supporting collision detection, mass, friction, inertia and explosive forces. Multiple weapons systems powerups and add-ons. High performance 3D audio engine. 50 unique levels. Statistical tracking of level scores, time rating and chain kills. Global hi-score tracking system.