The following are known Game Genie Codes for Code Name: Viper on Nintendo Entertainment System (NES).

• Infinite Lives
  SZOVKNVK
• Start With 1 Life
  PENTAGLA
• Start With 6 Lives
  TENTAGLA
• Start With 9 Lives
  PENTAGLE
• Start With Double Usual Bullets
  GTETLIZL
• Start With Half Usual Bullets
  PPETLIZU
• Double Usual Bullets On New Life
  GTOVEYZL
• Half Bullets On New Life
  PPOVEYZU
• Start With Machine Gun And 256 Bullets
  VVNVGKSE
• Machine Gun And 256 Bullets On New Life
  VTOTONSE
• Infinite Machine Gun Bullets
  AAOXLZPA
• Infinite Bullets For Your Gun
  AENXZPPA
• Upper Level Jump
  SXKEVNOU
  ONEOYEXN
• Keep Machine Gun After Dying
  GZOTONSE
  GZEVVNSE
• Infinite Energy
  STVPVOON
  AASOVZPA