Code Name: Viper is an online NES game that you can play at Emulator Online. This free Nintendo game is the United States of America region version for the USA. It has been played 1,359 times so far and was posted on March 27, 2017. Code Name: Viper is a single title from the many arcade games, shooting games and platform games that we offer for this console. If you enjoyed playing this, then you can find similar games in the nes games category. Code Name: Viper game is from the various retro games on the site, and there are more games like this, including Duel Masters: Shadow Of The Code, Codename: Kids Next Door - Operation S.O.D.A. and James Pond - Codename Robocod.