Golden Axe.
 No.  Code  Effect
   1  BB0A-AA8E  Infinite hit points
   2  RF7A-A6WA  Infinite magic
   3  FGXA-BJX6   Each magic pot worth 2
   4  FGXA-BNX6  Each magic pot worth 3
   5  KB7T-AA4A  Infinite lives
   6  AJTT-AA8L  Infinite credits
   7  AJ6T-BA6T  Start with 2 credits instead of 4
   8  A26T-BA6T  Start with 6 credits
   9  BA6T-BA6T  Start with 8 credits
 10  ABAA-ACFW  Start with 1 life instead of 3--1st credit only  
 11  ABAA-ALFW  Start with 5 lives--1st credit only
 12  ABAA-ARFW  Start with 7 lives--1st credit only
 13  ABAA-AWFW    Start with 9 lives--1st credit only
 14  ABAA-AEF2  Start with 2 magic pots instead of 1
 15  ABAA-AJF2  Start with 4 magic pots
 16  SA7A-BEYL  Start on stage 2
 17  SA7A-BJYL  Start on stage 3
 18  SA7A-BNYL  Start on stage 4
 19  SA7A-BTYL  Start on stage 5
 20  SA7A-BYYL  Start on stage 6
 21  SA7A-B2YL  Start on stage 7
 22  SA7A-B6YL  Start on stage 8
 23  AATT-ACHJ  1 life after continue instead of 3
 24  AATT-ALHJ  5 lives after continue
 25  AATT-ARHJ  7 lives after continue
 26  AATT-AWHJ  9 lives after continue
 27  AATT-ACHJ  Continue with 1 life
 28  AATT-ALHJ  Continue with 5 lives
 29  AATT-ARHJ  Continue with 7 lives
 30  AATT-AWHJ  Continue with 9 lives

Golden Axe (Sega Classic Version).
 No.  Code  Effect
   1  BB1A-AA78  Infinite hit points
   2  RF8A-A6W6  Infinite magic
   3  FGYT-BJVY  Each magic pot worth 2
   4  FGYT-BNVY  Each magic pot worth 3
   5  KB8T-AA46  Infinite lives
   6  AJVT-AA2T  Infinite credits
   7  AJ7T-BA28  Start with 2 credits instead of 4
   8  A27T-BA28  Start with 6 credits
   9  BA7T-BA28  Start with 8 credits
 10  ABBA-ACC4  Start with 1 life instead of 3-- 1st credit only  
 11  ABBA-ALC4  Start with 5 lives--1st credit only
 12  ABBA-ARC4  Start with 7 lives--1st credit only
 13  ABBA-AWC4  Start with 9 lives--1st credit only
 14  AAVT-ACBR  Continue with 1 life instead of 3
 15  AAVT-ALBR  Continue with 5 lives
 16  AAVT-ARBR  Continue with 7 lives
 17  AAVT-AWBR    Continue with 9 lives
 18  ABBA-AEDA  Start with 2 magic pots instead of 1
 19  ABBA-AJDA  Start with 4 magic pots
 20  SA8A-BET2  Start on stage 2
 21  SA8A-BJT2  Start on stage 3
 22  SA8A-BNT2  Start on stage 4
 23  SA8A-BTT2  Start on stage 5
 24  SA8A-BYT2  Start on stage 6
 25  SA8A-B2T2  Start on stage 7
 26  SA8A-B6T2  Start on stage 8