The following are known Game Genie Codes for Prince of Persia on SEGA Game Gear.

• Infinite Time
  004 03B 19E
  Note: If the Prince disappears when using this code, turn all the codes off and he will return. After he comes back, you can resume using the codes.
• 45-Minute Game
  2D2 08F 19A
• 20-Minute Game
  142 08F 19A
• 10-Minute Game
  0A2 08F 19A
• Start With More Health Units
  081 38C E66
  Note: Select the Options screen, move the cursor down to health units, press 1 button 3 times for 6 health units, 4 times for 7 health units, 5 times for 8 health units. These do not appear until you start the game.
• Don’t Lose Health Units When You Drop Off Some Ledges
  001 E9E 3BE
  Note: You will still lose life, it just won’t go below 3.
• Start On Level 2
  049-4ED-E66
• Start On Level 3
  059-4ED-E66
• Start On Level 4
  069-4ED-E66
• Start On Level 5
  079-4ED-E66
• Start On Level 6
  089-4ED-E66
• Start On Level 7
  099-4ED-E66
• Start On Level 8
  0A9-4ED-E66
• Start On Level 9
  0B9-4ED-E66
• Start On Level 10
  0C9-4ED-E66
• Start On Level 11
  0D9-4ED-E66
• Start On Level 12
  0E9-4ED-E66
• Start On Level 13
  0F9-4ED-E66
• Walk All The Way To The Left To See Ending
  109-4ED-E66