The following are known Game Genie Codes for The Ren & Stimpy Show Buckeroos on Nintendo Entertainment System (NES).

• NYOYXLYE
  Infinite health
• NYUVOZTE
  Infinite lives
• PEUAPZLA
  Start with 2 lives
• IEUAPZLA
  Start with 6 lives
• YEUAPZLA
  Start with 8 lives
• PEUAPZLE
  Start with 10 lives
• VNXELSSO
  Start with $11 instead of 0
• OUEAXXOO
  Infinite collectibles
• YPEYOUGU
  Shorter invincibility after getting hit
• ITEYOUGL
  Longer invincibility after getting hit
• ZAXNPZIA
  2 custard pies picked up
• PAXNPZIE
  9 custard pies picked up
• OZEEPYES + PAEEZYZZ
  Start on the Rescue the Maiden Level
• OZEEPYES + PAEEZYZZ + SAEELNVV
  Start on the Out West Level
• OZEEPYES + ZAEEZYZZ + SAEELNVV
  Start on the Robin Hoek Level