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SDI: Strategic Defense Initiative

MobyRank MobyScore
Amstrad CPC
...
0.6
Amiga
...
2.1
SEGA Master System
60
3.0
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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 Arcade Missile Command style action.
SDI: Strategic Defense Initiative ZX Spectrum Level results
SDI: Strategic Defense Initiative Commodore 64 I lost all my lives. Game over.
SDI: Strategic Defense Initiative Amstrad CPC Loading screen

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

User Reviews

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The Press Says

Sinclair User ZX Spectrum Feb, 1989 90 out of 100 90
The Games Machine (UK) SEGA Master System Apr, 1988 81 out of 100 81
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
Crash! ZX Spectrum Jul, 1991 70 out of 100 70
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
The Video Game Critic SEGA Master System Nov 14, 2000 C+ 58
The Games Machine (UK) Amiga Sep, 1989 57 out of 100 57
GamesCollection SEGA Master System Jan 18, 2008 5.5 out of 10 55

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Trivia

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Contributed to by chirinea (33484), Martin Smith (63169) and LepricahnsGold (74404)