The following are known Game Genie Codes for Batman Returns on SEGA Game Gear.

• Start With 2 Lives
  028 498 E66
• Start With 5 Lives
  058 498 E66
• Start With 7 Lives
  078 498 E66
• Infinite Lives
  00A 57A E6E
• Infinite Special Items
  004 758 19E
• Start With 2 Energy Units (1st Life)
  028 4E8 C42
• Start With 6 Energy Units (1st Life)
  068 4E8 C42
• Start With 8 Energy Units (1st Life)
  088 4E8 C42
• Start With 2 Energy Units (After 1st Life)
  02B 33A C42
• Start With 4 Energy Units (After 1st Life)
  04B 33A C42
• Start With 8 Energy Units (After 1st Life)
  08B 33A C42
• Start With 3 Special Items (1st Life)
  038 538 E6E
• Start With 3 Special Items (After 1st Life)
  03B 38A E6E
• Start With 6 Special Items (After 1st Life)
  06B 38A E6E
• Start With 9 Special Items (After 1st Life)
  09B 38A E6E