In exchange for their aid, human beings were given major advances in science and technology, including bionic implant devices that make them immune to all disease.

The human team (including their pilot Gina and wise-cracking Akira) take off in their own ship, the Da Vinci, and try to make contact with the Sunstar station.

The Ghen blame the crew of the Da Vinci for destroying Sunstar and Titan and invading Mars, and use human figureheads under their control like Commander Braxton to try to trick them into returning to Earth for disciplinary action.

Relay Commander Reynolds (their only contact due to the interstellar communications blackout) informs them that the starship Goliath is dry-docked on Moonbase 12.

After returning from the Moon, they wire Boxhead into the ship's communication systems to send a transmission directly to Earth, only to find Reynolds has also fallen under Xylan's control.

Among its guns and missiles, the hyper-suit has unique features such as a claw-manipulator and the ability to cast a decoy suit, which attracts enemy attention.

While Andrew Baran, Mike LeFebvre, and Mike Desmond of Electronic Gaming Monthly said the gameplay consists of aimless wandering "with no goals or point",[4] reviewers for Next Generation and Sega Saturn Magazine asserted that the varied mission objectives and automap give the gameplay greater direction than most games of its type.

"[6] Critics did generally agree that the game's complex controls can be difficult, but disagreed on whether this remains a problem after the initial learning curve is past.

Some concluded that its negative aspects completely outweighed its merits or at best made it a game that only a select few would have the patience needed to appreciate,[4][5] while others felt that it offers enough enjoyment and sparks of originality to make it worth getting.