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

• Infinite Lives
  SXSPYZVG
• Start With 1 Life
  PASATLLA
• Start With Double Lives
  TASATLLA
• Start With Triple Lives
  PASATLLE
• Start With All Weapons Available
  NYKAYLLE
• Keep Power Up After Death
  GZNAILSA
• Keep Energy After Death
  GZNAYLSA
• Thunder Uses 25% Normal Energy
  GAEOUEAA
• Triple Energy Gained On ‘E’ Pick-Up
  TEXLPTZA
• Less Energy Lost On ‘Bad E’ Pick-Ups
  ZEULGTGA
• Shield Doesn’t Use Energy
  SZEGGASA
• You Can Re-Use Weapon After Selecting
  IZNAEGSA