Sogna combined the best of both worlds in VIPER-M1: a modern, Windows-based interface and a set of three smaller games, reminiscent of the earlier V series titles. Super-heroine story My Mothers features cover girl Mika in her attempt to rescue a prospective boyfriend. Coming of age tale Green Boy follows Natane and her two older sisters as they welcome a strange young man into their home. The May Works focuses on a schoolgirl, Maki, as she flees from an alien invasion of her hometown.

8 comments on “Viper-M1

  1. I can not install. I mounted the image file and try to execute m1.exe but nothing happen. I’m using Win 10

  2. Loved the animation and the nonsensical comedy of the 3 stories. Though it’s funny how characters suddenly grow huge tits in sex scenes when they’re so flat elsewhere.

  3. you can use applocale to run the game. set it to japanese. if that doesn’t work try re-installing using windows xp compatibility (set compatibility on the installer .exe on the mounted disc)plus applocale

  4. @Fred:
    Dou you have to set any compatibility mode under Windows 7 or how can you get it to run?
    I mounted it via Daemon Tools using SecuRom and Windows XP compatibility.
    I was able to install it but not to run it.

    Any help would be appreciated

  5. I can’t get the game to start, clicked M1.exe “error no disc”, clicked SGS.exe “no disc in japanese”. No other .exe to launch the game. Viper 16 requires a .bat file to compile and launch the game, so i think Viper M1 will need one too. Either someone needs to program a .bat or a crack to launch w/o CD or this game is not playable.

  6. just started to play this one, seems fun, I’m dl-ing the other of viper series atm but cant find 2 other v series here, could anyone suggest me a site or link for that?

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