SDI
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…
SDI is a shooter developed by Sega Enterprises, Ltd., released 1 April 1987 on Sega Master System/Mark III, Amiga, Amstrad CPC and Arcade.
What SDI is
SDI is a shooter game developed by Sega Enterprises, Ltd. and released in 1987. It was published by Activision. It is available on Sega Master System/Mark III, Amiga, Amstrad CPC, Arcade, Atari ST/STE, Commodore C64/128/MAX and ZX Spectrum.
The premise, in the publisher's words
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.
How it plays
It is played from a side view perspective. Its themes are action and science fiction. It is a single-player game with no multiplayer component. Available modes: Multiplayer and Single player.
Official trailer
Sourced from the publisher’s YouTube channel. See all 2 videos →
Screenshots
All media
Quick answers
SDI — frequently asked questions
When did SDI come out?
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