GAME GENIE CODES: Batman Returns.
 No.  Code  Effect
   1  BLYT-AA4R  Invincibility--still can die if you fall  
   2  ALFA-AA9N  Infinite Batarangs
   3  BLGT-AA5N  Infinite smoke bombs
   4  BLHT-AA8C  Infinite swarms
   5  BLJT-AA4L  Infinite grappling guns
   6  BLLA-AA7A  Infinite super seeking Batarangs
   7  BEFA-AABL  Start with 10 lives
   8  AKFA-AAFT  Start with 2 swarms
   9  AZFA-AAFT  Start with 5 swarms
 10  BKFA-AAFT  Start with 10 swarms
 11  CVFA-AAFT  Start with 20 swarms
 12  NPFA-AAFT  Start with 99 swarms
 13  CVFA-AAFE  Start with 20 Batarangs
 14  D3FA-AAFE  Start with 30 Batarangs
 15  FBFA-AAFE  Start with 40 Batarangs
 16  GKFA-AAFE  Start with 50 Batarangs
 17  NPFA-AAFE  Start with 99 Batarangs
 18  A3FA-AAFL  Start with 6 smoke bombs
 19  BKFA-AAFL  Start with 10 smoke bombs
 20  B7FA-AAFL  Start with15 smoke bombs
 21  CVFA-AAFL  Start with 20 smoke bombs
 22  NPFA-AAFL  Start with 99 smoke bombs
 23  AKFA-AAF0  Start with 2 grappling guns
 24  AZFA-AAF0  Start with 5 grappling guns
 25  BKFA-AAF0  Start with10 grappling guns
 26  CVFA-AAF0  Start with 20 grappling guns
 27  NPFA-AAF0  Start with 99 grappling guns
 28  AKFA-AAF6  Start with 2 super bats
 29  AZFA-AAF6  Start with 5 super bats
 30  BKFA-AAF6  Start with10 super bats
 31  CVFA-AAF6  Start with 20 super bats
 32  NPFA-AAF6  Start with 99 super bats
 33  AMGA-CAD6  Start on level 2
 34  ASGA-CAD6  Start on level 3
 35  AXGA-CAD6  Start on level 4
 36  A1GA-CAD6  Start on level 5
 37  A5GA-CAD6  Start on level 6
 38  A9GA-CAD6  Start on level 7
 39  BDGA-CAD6  Start on level 8
 40  BHGA-CAD6  Start on level 9
 41  BMGA-CAD6  Start on level 10
 42  B1GA-CAD6  Start on level 11
 43  B9GA-CAD6  Start on level 12
 44  CDGA-CAD6  Start on level 13
 45  CHGA-CAD6  Start on secret level
 46  CMGA-CAD6    Start on secret level
 47  CSGA-CAD6  Start on level 14
 48  CXGA-CAD6  Start on level 15
 49  C1GA-CAD6  Start on level 16
 50  C5GA-CAD6  Start on level 17

Download The Big Book of Game Genie Codes.