Simple 1500 Series vol. 75: The Double Shooting - Raystorm & Raycrisis is a compilation of 2 Taito arcade game shooters.

1 - RAYSTORM:
The year is 2219 and the Secilia Federation has initiated a plan to destroy Earth. So far, the evil federation has been highly successful in destroying much of the planet's defensive forces and resources. With world destruction at hand, the fate of mankind is looking for a savior.

2 - RAYCRISIS:
The sequel to RayStorm, RayCrisis: Series Termination takes place in a time when the future of mankind hangs in the balance. Determined to create the ultimate neural interface between man and machine, a rogue scientist named Leslie McGuire cloned herself and hardwired the clone's mind into directly into Con-Human, a powerful, worldwide computer network. Con-Human's AI quickly took over the clone's consciousness and was driven insane. Unable to comprehend the complexities of sentience and the human psyche, the Network went on a killing spree that wiped out most of Earth's 13 billion citizens.