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SDI: Strategic Defense Initiative

MobyRank MobyScore
SEGA Master System
60
2.8
Amiga
...
...
Arcade
...
2.0
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Description

SDI: Strategic Defense Initiative is based around classic-style shoot 'em up action. It puts you in control of a satellite which must ensure that the wave of bombs aimed for the United States do not hit. Direction of motion and direction of fire are controlled independently - on the 16-bit versions you rotate the mouse left and right to direct the targeting, move it up and down to increase the range, and use the joystick to move the satellite and thus avoid any contact.

Each level is split into defensive and offensive stages. On defensive levels you must stop each unit as it heads towards the earth, a lá Missile Command. Offensive stages follow the old 'shoot it before it becomes a danger' philosophy, being free-flying shoot 'em up sections among a network of destructible (but worth saving) platforms.

Screenshots

SDI: Strategic Defense Initiative Commodore 64 Title screen
SDI: Strategic Defense Initiative Commodore 64 I lost all my lives. Game over.
SDI: Strategic Defense Initiative Amstrad CPC I lost all my lives. Game over.
SDI: Strategic Defense Initiative Atari ST Differnet backdrop on level 2

Alternate Titles

  • "SDI - Now The Odds Are Even" -- Spanish title
  • "SDI" -- Official abbreviation
  • "Mobile SDI" -- Mobile Sega Ages title
  • "Global Defense" -- SEGA Master System title

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The Press Says

neXGam SEGA Master System Feb 02, 2010 8.6 out of 10 86
The One Atari ST Nov, 1988 86 out of 100 86
ACE (Advanced Computer Entertainment) Atari ST Dec, 1988 844 out of 1000 84
Computer and Video Games (CVG) SEGA Master System Apr, 1988 8 out of 10 80
Computer and Video Games (CVG) Commodore 64 Sep, 1991 72 out of 100 72
Your Sinclair ZX Spectrum Jul, 1991 64 out of 100 64
Atari ST User Atari ST Feb, 1989 6 out of 10 60
Computer and Video Games (CVG) ZX Spectrum Jul, 1991 59 out of 100 59
GamesCollection SEGA Master System Jan 18, 2008 5.5 out of 10 55
Commodore Force Commodore 64 Aug, 1993 46 out of 100 46

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Trivia

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Contributed to by chirinea (34391), Martin Smith (63104) and LepricahnsGold (84875)