Play Day of the Viper Online
Creep through dim labs as a fragile robot, slotting floppies into terminals while dodging guards who shoot first—tense, janky, and oddly satisfying for an old DOS stealth crawl.
Day of the Viper came out in 1990 as part of the MS-DOS Classic Games series, published by Pandora. It was one of those early PC titles that tried to blend stealth and sci-fi themes, a niche experiment in an era when many developers were still figuring out what worked on the platform. You don't hear much about it now, but it had a certain moody, low-budget charm that stuck with some players.
You control a lone operative infiltrating a high-tech enemy facility, moving screen by screen through labs and corridors. Your main goal is to retrieve data disks by inserting floppy disks into computer terminals while avoiding or neutralizing guards. The game emphasizes stealth; direct combat is risky and often ends badly. You spend a lot of time watching patrol patterns, hiding in shadows, and timing your movements just right. The pacing is deliberate, almost slow, and the difficulty can feel unforgiving if you rush. Playing it feels like a tense, methodical puzzle where every mistake costs you.
Each game uses different controls, most DOS games use the keyboard arrows. Some will use the mouse , "Alt" ,"Enter" and "Space bar".
Download Day of the Viper ROM
You can download this ROM to play Day of the Viper offline using an MS-DOS emulator (Top Emulators).
*This ROM is provided for backup and educational purposes only.
