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

• Start With 1 Life
  PEEEPALA
• Start With 6 Lives
  TEEEPALA
• Start With 9 Lives
  PEEEPALE
• Start With Infinite Lives
  SZOEGPVG
• Stop Energy Bar Counting Down
  SXKKIAVG
• Become Immune To Rocks
  GXNGLAKA
• Keep Weapons
  GZXEAPSA
• Can Mega Jump While At Rest
  SPEEIIEG
• Can Mega Jump While Running
  SPEETSOZ
• Multi Moon Jumps
  AAEAYIPA
  AEVEZGPZ
• Hudson Can Moonwalk
  AEKAPIPA
  PEEEZIAA
• Invisible Higgins But You Can’t Beat The Level
  AAEPPZ
• Sometimes You Can Walk In The Air!
  GAESSZ
• Listen To Music While Staring At Trees
  AAEEPO
• You Can Megakick Eggs And Hatchets And Boulders Float
  AAPPZZ
• Black And White Game!
  EEGGPO
• You Can’t Use Weapons!
  EAAEEE
• Walk Underground Or In The Air
  OSTEGK
• When You Die With A Weapon You Keep Your Weapon And Get A Free Skateboard
  NZXEAPSA
• Items And Enemies Float When Hit
  PIPOZZ
• Music Turns Off When Certain Enemies Are Hit
  PIKOZZ
• Moonwalking
  SXAEPI
• Makes All Eggs That Are Hidden Or Invisible are Visible
  GAPZVK
• Keep Weapons After Losing a Life Including Skateboards & Fire
  GZPETO