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SDI
Sega Master System · Released April 1, 1987 · Developed by Sega Enterprises, Ltd. · Published by Activision
Single playerMultiplayer
ShooterActionScience fiction
Loose
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CIB
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Sealed
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Price lookup wires up in Phase F (PriceCharting)
Summary
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.
Screenshots
Details
Game Modes
Single player · Multiplayer
Perspective
Side view
Themes
Action · Science fiction
Developer
Sega Enterprises, Ltd.
Also known as
AliasGlobal DefenseMaster System Title
AliasSDI: Strategic Defense InitiativeAlternative title
Release history (9 entries)
| Date | Platform | Region |
|---|---|---|
| Apr 1, 1987 | Arcade | — |
| Oct 24, 1987 | Sega Master System/Mark III | — |
| Dec 31, 1987 | Atari ST/STE | — |
| Dec 31, 1987 | Amiga | — |
| Mar 1, 1988 | Sega Master System/Mark III | — |
| Dec 31, 1988 | ZX Spectrum | — |
| Dec 31, 1988 | Commodore C64/128/MAX | — |
| Dec 31, 1988 | Sega Master System/Mark III | — |
| Dec 31, 1989 | Amstrad CPC | — |
