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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.
Release Dates by Platform
| Edition | Platform | Release Date | Region |
|---|---|---|---|
| Standard Edition | Arcade | Apr 1, 1987 | Worldwide |
| Standard Edition | Amiga | Apr 1, 1987 | Worldwide |
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