SDI

Apr 1, 1987 Sega Enterprises, Ltd. 7 platforms

Shooter game Action Science fiction

SDI: Strategic Defense Initiative, or simply titled SDI and sometimes known as Global Defense. Players control a satellite and must destroy enemies by moving a crosshair over them and firing the satellite's weapons.

Track the collection you actually own — yourself, or with your AI assistant.

Free, no card, and your collection stays yours to export.

Free, no card, yours to export.

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Released

April 1, 1987Japan
1987Europe
March 1988North America

Also known as

Global Defense SDI: Strategic Defense Initiative

Versions

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Standalone expansions

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Languages

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