In the final phase, Dr. Kahl's primary attack is pulling out either a red or blue gem from his robot's mouth, which fires radial bursts in a counterclockwise rotation. The blue gem will fire in a burst of six and the red one will fire eight. In Expert mode, the bursts are fired at a higher rate, the blue gem will fire in a burst of five and the red one will still fire eight but with a more irregular pattern.

Not only do the players have to dodge Dr. Kahl's attack, but also a set of four electri