Game Genie Codes

The following are known Game Genie Codes for Alien Syndrome on SEGA Game Gear.

• Start With 1 Life
  010 75F E66
• Start With 5 Lives
  050 75F E66
• Start With 9 Lives
  090 75F E66
• Start With 500 Seconds
  058 39F E66
• Start With 900 Seconds
  098 39F E66