SDI - Strategic Defense Initiative

From WE Computers Museum
(Redirected from Global Defense)
SDI - Strategic Defense Initiative cover.jpg
SDI - Strategic Defense Initiative
Developer Sega
Publisher Activision
Sega (Arcade, Sega Master System)
Kobian (PlayPal)
Platforms Amiga, Amstrad CPC, Arcade, Atari ST, Commodore 64, Master System, PlayPal, PS4, PS5, Windows, Xbox One, Xbox Series X/S, ZX Spectrum
Released Arcade
WW: 1987
Amiga, Atari ST'
EU: 1987
Commodore 64, ZX Spectrum
EU: 1988
Sega Master System
EU/NA: March 1988
Amstrad CPC
EU: 1989
PlayPal (Master System)
WW: 2006
PS4, PS5, Xbox One, Xbox Series X/S
WW (LJ Essentials): September 24, 2021
Windows (Lost Judgment Essentials)
WW: September 14, 2022
Added to
PlayPal (Master System): October 31, 2020
PS4 (LJ Essentials): November 3, 2021

SDI - Strategic Defense Initiative, also known simply as SDI and as Global Defense on Sega Master System and PlayPal, is a shoot 'em up video game by Sega.