Mars Matrix: Hyper Solid Shooting

The game only uses one button, as the triggered actions differ according to the timing with which the button is pressed:

Normal Shot: Tap A button. Shot power increases with level (max 8), which depends on EXP points.

In 2100, millions of people were starving due to massive food shortages and has caused civil wars around the world. Centuries later, however, the world government had sent colonists to Mars which began to solve these problems. At a nearby farm, the Infinity chip was discovered and it revealed all the technology of the advanced civilization. In 2309, a Declaration of Independence has been sent to Earth.

Large armies have been amassed on Mars, and a gigantic armada was waiting for any attack from Earth. The Earth government sends out a fleet of battleships followed by a special air raid unit called ACID; ACID is equipped with a new fighter ship known as the Mosquito. Their mission is to enter Mars, stop the rebel violence, locate and destroy the rebel leader, whoever... or whatever it may be...

The Dreamcast version received "generally favorable reviews" according to the review aggregation website Metacritic. In Japan, Famitsu gave it a score of 31 out of 40.

Also in Japan, Game Machine listed the arcade version in their July 15, 2000 issue as the seventh most-successful arcade game of the year.