Play S.D.I. Online
Dodging missiles in a pixelated jet, fingers cramping as you desperately blast nukes before they erase cities—pure Cold War panic in 8-bit. That chiptune soundtrack still gets your heart racing.

I first played S.D.I. back in the late 80s, after it came out for MS-DOS in 1986 from Cinemaware. It was a time when games were starting to get more cinematic, and this one tried to sell a big, tense story about preventing World War III. You don't see many games tackle that kind of subject matter, even now.
You control a futuristic fighter jet, tasked with intercepting nuclear missiles before they can hit their targets. The gameplay shifts between an overhead strategic map, where you plot your interceptions, and first-person combat sequences where you actually shoot down the warheads. It's unforgiving; a single missed nuke means a city is destroyed, and the game quickly becomes a desperate scramble. The constant pressure to be perfect makes every successful interception feel like a genuine, hard-won victory.
Each game uses different controls, most DOS games use the keyboard arrows. Some will use the mouse , "Alt" ,"Enter" and "Space bar".

Download S.D.I. ROM
You can download this ROM to play S.D.I. offline using an MS-DOS emulator (Top Emulators).
*This ROM is provided for backup and educational purposes only.