The following are known Action Replay Codes for Stargate on SEGA Genesis / Mega Drive (Genesis).

The codes should work with the region specified but may work for other regions as well.

Device Compatibility: Action Replay

• Infinite Grenades
  FFC891:63
• Gun Never Heats Up
  FFFC64:00
• Turbo Mode
  FFC935:63
  Note: Caution when using this code, it can be unstable.
• Level Modifier
  FFFFA5:XX

  00 – Level 1
  01 – Level 2
  02 – Level 3
  03 – Level 4
  04 – Level 5
  05 – In Streets
  06 – Boss Battle?
  07 – Inside Alien Base
  08 – In Desert Being Bombed
  09 – Inside Concrete/High-Tech Building

• Infinite Alien Grenades
  FFC892:0A
• Infinite Energy
  FFFC62:0340