James Pond - Underwater Agent.

 No.  Code  Effect
   1  RZZT-R61C  MASTER CODE-MUST BE ENTERED
   2  AV9A-AA84  Infinite lives
   3  SB8T-BJ08 + EWKT-A43Y  Each thing saved or collected is worth 2
   4  SB8T-BN08 + EWKT-A43Y  Each thing saved or collected is worth 3
   5  SB8T-BT08 + EWKT-A43Y  Each thing saved or collected is worth 4
   6  B4FA-AA20  Infinite time
   7  SCFA-BLT0  Time goes by 2x as fast
   8  979A-AAHL  Sea nymph stays longer after you die 
   9  AK1T-AA9T  Almost invincible
 10  AGGA-AAHW  Start with 1 life
 11  A0GA-AAHW  Start with 5 lives
 12  A8GA-AAHW  Start with 7 lives
 13  BGGA-AAHW  Start with 9 lives
 14  CWGA-AAHW  Start with 20 lives
 15  GLGA-AAHW  Start with 50 lives
 16  NRGA-AAHW  Start with 99 lives
 17  9WGT-BCKY+AGGT-AAB0+5WGT-AVB2  Start on mission 2
 18  9WGT-BCKY+ALGT-AAB0+5WGT-AVB2  Start on mission 3
 19  9WGT-BCKY+ARGT-AAB0+5WGT-AVB2  Start on mission 4
 20  9WGT-BCKY+AWGT-AAB0+5WGT-AVB2   Start on mission 5
 21  9WGT-BCKY+A0GT-AAB0+5WGT-AVB2  Start on mission 6
 22  9WGT-BCKY+A4GT-AAB0+5WGT-AVB2  Start on mission 7
 23  9WGT-BCKY+A8GT-AAB0+5WGT-AVB2  Start on mission 8
 24  9WGT-BCKY+BCGT-AAB0+5WGT-AVB2  Start on mission 9
 25  9WGT-BCKY+BGGT-AAB0+5WGT-AVB2  Start on mission 10
 26  9WGT-BCKY+BLGT-AAB0+5WGT-AVB2  Start on mission 11
 27  9WGT-BCKY+BRGT-AAB0+5WGT-AVB2  Start on mission 12