The following are known GameShark Codes for Invasion From Beyond on Sony Playstation (PS1).

These codes were also known as Action Replay Codes outside the U.S. and later in the U.S. and are compatible with both devices.

• Infinite Scientists
  800856C8 0063
• Infinite Component 1
  800856CC 0063
• Infinite Component 2
  800856D0 0063
• Infinite Component 3
  800856D4 0063
• Infinite Health
  80076D70 0400
• Infinite Power
  80076D74 FFFF
• Infinite Shields
  80016174 0000
  8001634C 0000
• Death Off
  30070E94 0001
• Show Text
  30070E97 0001

Note: When using the next two codes, start a new game and then abort it. The codes should then work.

• Level Select
  30070E95 0001
• All Ships & Weapons
  30070E96 0001