SDI (arcade game)
| SDI | |
|---|---|
Arcade flyer | |
| Developer | Sega R&D1 |
| Publishers | Sega Home computers Activision |
| Platforms | Arcade, Master System, Atari ST, Commodore 64, ZX Spectrum, Amiga, Amstrad CPC |
| Release | |
| Genre | Scrolling shooter |
| Modes | Single-player, multiplayer |
SDI: Strategic Defense Initiative, or simply SDI, is a 1987 horizontally scrolling shooter video game developed and published by Sega for arcades. It was ported to the Master System (released in North America and Europe under the name Global Defense), Amiga, Amstrad CPC, Atari ST, Commodore 64, and ZX Spectrum. Players control a satellite and must destroy enemies by moving a crosshair over them and firing the satellite's weapons.