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Description

S.D.I. takes place in the year 2017 of an alternate timeline, in which the Soviet Union continued to exist and pose a threat to the countries of the free world. USA launched another Strategic Defense Initiative, its commander-in-chief being General Sloan McCormick. A Soviet extremist group consisting of KGB members has gained control of space launch facilities, and began firing nuclear missiles at America. McCormick must fulfill his duty, but his heart belongs to a woman who is on the opposing side. He controls a space-based fighter, trying to neutralize enemy missiles. Defense satellites must be repaired as well, and enemy bases infiltrated in order to rescue his beloved one and save his nation and the world.

Screenshots

S.D.I. DOS Take out a missile with the S. D. I.
S.D.I. DOS An update from your Russian counterpart
S.D.I. DOS Blast those renegade Russians out of space!
S.D.I. DOS Washington receives a status report

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Alternate Titles

  • "SDI" -- Title Screen title

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Trivia

On September 23, 1987, S.D.I. was put on the infamous German index by the BPjS. For more information about what this means and to see a list of games sharing the same fate, take a look here: BPjS/BPjM indexed games.

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Trixter (9130) added S.D.I. (DOS) on Jan 11, 2000
Other platforms contributed by EboMike (3139) and NGC 5194 (17506)