[From the box] This is the definitive arcade Shoot'em-up. A pure adrenaline rush of unadulterated, pulsating, non-stop action that is so fast it'll make your controller melt. 30 diverse and massive bosses. 1 or 2 player simultaneous action. 3 game modes and 8 difficulty settings. 18+ main weapons with multiple power ups. 15 whopping levels each with 2 distinct paths to choose. Unique 'Capture Ball' feature to steal enemy ships and weapons.