The following are known Game Genie Codes for Rambo on Nintendo Entertainment System (NES).

• Never Lose Weapons
  SXOVXKVS
• More Medicine Bottles
  ZEEEITIE
• More Throwing Knives
  GOEAPVZA
• Start With 2 Medicine Bottles
  ZEEEITIA
• Gain Double Items On Pick-Up
  GOXTZXZA
• Start With Bow And Arrows
  ZPNEITPP
  ZOEALTPP
• Start With Exploding Arrows
  LPNEITPP
  LOEALTPP
• Start With Hand Grenades
  IPNEITPP
  IOEALTPP
• Start With 9 Medicine Bottles
  ZVEEITIA
• Get Maximum Amount On Pick Up
  GNXTZXZA