Time until SDI release day!

Please note, this is a countdown to the release day. The actual hour can vary.

Already released in Japan [JP] on Arcade

RegionTime left until release dayPlatform
Japan [JP]Arcade
Japan [JP]Sega Master System
Europe [EU]Atari ST/STE
Europe [EU]Amiga
Europe [EU]ZX Spectrum
North America [NA]Commodore C64/128
Europe [EU]Amstrad CPC


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.

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