The following are known Game Genie Codes for Journey to Silius on Nintendo Entertainment System (NES).

• SXNGYLVG
  Infinite lives
• PAOSOTLA
  Start with 1 life
• TAOSOTLA
  Start with 6 lives
• PAOSOTLE
  Start with 9 lives
• PEVIULLA
  Start with 1 life after using a continue
• TEVIULLA
  Start with 6 lives after using a continue
• PEVIULLE
  Start with 9 lives after using a continue
• PEKSOGZA
  Start with a Machine Gun
• GEKSOGZA
  Start with a Laser Gun
• AEKSOGZE
  Start with Homing Missiles
• AOKSOGZA
  Start with a Grenade Launcher
• IEKSOGZA
  Start with a Machine Gun & Laser Gun
• OTUVOZSV
  Protection against most aliens
• AAXTKAZE
  Some aliens are tougher
• PAXTKAZA
  Some aliens are weaker
• TOOETOLA
  Mega-Jump
• AZVALPPA + EVNEYENY
  Speed-Jump
• LPSEYPGA + KVNELEKN
  Super-Speed