Control your fighter, with its unique ability to combine with other fighters, and shoot down the invading aliens! Aliens attack in formations using a variety of attack patterns. Rescue a captured fighter to combine with it, forming a Dual Fighter with twice the firepower! Earn Perfect Bonuses more easily by using a Dual Fighter on the Challenging Stages! • The same, exact, good old gameplay you remember • Fast paced arcade action right into your device! • Combine your fighters for augmented firepower!