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The Halley's Comet is back from outer-space and scientists all over the world are excited by this event. But this time, things do not really go according to plans and an unexpected fleet of alien spaceships appears from behind the comet. Their destination is Earth and Humanity's finest spaceship and pilot is sent to counter the attack.
Family Computer Disk System · Jan 14, 1989
Japan · Exact date · IGDB
Sega Game Gear · Jun 21, 1991
Japan · Exact date · IGDB
Sega Game Gear · 1991
Europe · Year · IGDB
Sega Game Gear · 1991
North america · Year · IGDB
Sega Game Gear · February 1992
Brazil · Month · IGDB
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