The following are known Game Genie Codes for Adventure Island 3 on Nintendo Entertainment System (NES).

• Start With 2 Lives
  PESZAALA
• Start With 7 Lives
  TESZAALA
• Start With 9 Lives
  PESZAALE
• Infinite Lives
  SXNLISSE
• Keep Items After Dying (After 1st Stage)
  GXUUGOSO
• Start With 2 Red Taylors
  VTVZZESE
• Start With 2 Blue Taylors
  VTVZIESE
• Start With 2 Classies
  VTVXAESE
• Start With 2 Don-Dons
  VTVXLESE
• Start With 2 Poleys
  VTVXTESE
• Start With 2 Boomerangs
  VTNZPESE
• Start With 2 Axes
  VTNZGESE
• Start With 2 Invincibility Crystals
  VTNZYESE
• Mega-Jumping Master Higgins
  SUEZEXLN
• Get 99 Lives When You Pick Up 100 Fruit
  AAKXGTZA
• Infinite Power Up Usage
  SUUUGOSO
• When You Push Start To Enter A Level, You’ll Automatically Complete The Level (Doesn’t Work On Boss Levels)
  PAELZE
• Makes The Game Harder By Making The Enemies More Aggressive And The Fruit Only Stays On The Screen For A Couple Of Seconds
  SXNULS
• Auto Brings Up The Stage Select, But It Won’t Let You Exit
  SZXZGS
• When You Start The Game, Instead Of The UFO Appearing, It’s The 1st Boss
  VVKXZE