SDI cover art
Games / Shooter

SDI

"SDI: Strategic Defense Initiative, or simply titled SDI and sometimes known as Global Defense."

Sega Enterprises, Ltd.·Activision· April 1, 1987· Main Game

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.

SDI screenshots

SDI screenshot 1
SDI screenshot 2
SDI screenshot 3

Other versions of SDI

Sega Ages 2500 Vol. 21: SDI & Quartet - Sega System 16 Collection cover
Sega Ages 2500 Vol. 21: SDI & Quartet - Sega System 16 Collection
2005

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SDI trailer and videos

Gameplay Video
Gameplay Video
Gameplay Video
Gameplay Video

SDI screenshots

SDI screenshot 1
SDI screenshot 2
SDI screenshot 3

Artwork & Box Art

SDI artwork 1
ZX Spectrum
Standard
EU
Dec 31, 1988
Sega Master System/Mark III
Standard
NA
Mar 1, 1988
Sega Master System/Mark III
Standard
JP
Oct 24, 1987
Atari ST/STE
Standard
EU
Dec 31, 1987
Arcade
Standard
JP
Apr 1, 1987
Amiga
Standard
EU
Dec 31, 1987
Commodore C64/128/MAX
Standard
NA
Dec 31, 1988
Amstrad CPC
Standard
EU
Dec 31, 1989
Sega Master System/Mark III
Standard
EU
Dec 31, 1988
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