The following are known Game Genie Codes for Adventure Island 2 on Nintendo Entertainment System (NES).

• 2 Lives
  PEXVAALA
• 7 Lives
  TEXVAALA
• 10 Lives
  PEXVAALE
• Infinite Lives
  SXNLOKVK
• Infinite Energy
  SZUIGEVK
• Reversible Skateboard
  AENZTPAZ
• Faster Running
  ALKXAAAZ
• Don’t Lose Energy From Hitting Objects
  AAKSEYZA
• Higher Jump
  SXSUAOSU
  GEXULGPA
• Gain Lives Instead Of Losing Them
  VVNLOKVK
• Never Lose Power Ups – Slot 1
  SUSLKOVS
• Never Lose Power Ups – Slot 2
  SLEUEXVS
• Never Lose Power Ups – Slot 3
  SLUUKXVS
• Never Lose Power Ups – Slot 4
  SLNLEXVS
• Never Lose Power Ups – Slot 5
  SUULEXVS
• Keep Items After Dying
  VTOZAE
• Die To See Ending
  VTEXYE
• Run Into A Rock Until You Die With All Your Lives And There Will Be A Screen For A Sound Test (But You Can’t Access It)
  SXUIEY
• Start With 290,000 Points, But Freezes
  NKLSXO
• A Walkthru As Long As You’re On The Ground, To Get Items, You’ll Have To Jump Over It A Couple Of Times
  LSXYKI
• Less Enemies
  AAUNOI
• At The Choose Your Egg Screen, There’s Always An Extra Egg To The Left
  POOPSY
• Enemies, Eggs, And Rocks Are Placed Randomly In The Sky, Has Other Strange Effects
  TXXZZO
• Eggs And Jumping Enemies Fall Off The Screen When Approached
  PPISOO
• Everything Is Scrambled (Immediately Fall Off Screen And Die Upon Entering A Stage)
  EIKGKK
• Debug Mode
  PPSZXXPE
• Fight The Boss After You Complete 1st Scene
  KOLUAX
• Debug Mode.yullex: Infinite Axes
  PITXUZ
• Honey Girl Egg Turns Into A Peterdon Icon
  TOLEXA
• Infinite Axes Plus Get A Extra Red Camptosaurus
  NULLEX