The following are known Game Genie Codes for Alex Kidd in the Enchanted Castle on SEGA Genesis.

• Start On Round 2
  AFBT-AACJ
  BPBT-B74L
  A3BT-AA4N
• Start On Round 3
  AKBT-AACJ
  BPBT-B74L
  A3BT-AA4N
• Start On Round 4
  APBT-AACJ
  BPBT-B74L
  A3BT-AA4N
• Start On Round 5
  AVBT-AACJ
  BPBT-B74L
  A3BT-AA4N
• Start On Round 6
  AZBT-AACJ
  BPBT-B74L
  A3BT-AA4N
• Start On Round 7
  A3BT-AACJ
  BPBT-B74L
  A3BT-AA4N
• Start On Round 8
  A7BT-AACJ
  BPBT-B74L
  A3BT-AA4N
• Start On Round 9
  BBBT-AACJ
  BPBT-B74L
  A3BT-AA4N
• Start On Round 10
  BFBT-AACJ
  BPBT-B74L
  A3BT-AA4N
• Start On Round 11
  BKBT-AACJ
  BPBT-B74L
  A3BT-AA4N
• Start With 1 Life
  DKBA-BC1A
• Start With 2 Lives
  DVBA-BC1A
• Start With 3 Lives
  D3BA-BC1A
• Start With 4 Lives
  H3BA-AG9A
• Start With 6 Lives
  N3BA-A8SA
• Start With 8 Lives
  NVBA-A8SA
• Start With 10 Lives
  NKBA-A8SA
• 100 Baums Needed To Continue Instead Of 1000
  A3ST-B64Y
• 500 Baums Needed To Continue Game
  BBST-B64Y
• 3000 Baums Needed To Continue Game
  GBST-B64Y
• Game Can Always Be Continued
  ABST-B64Y
• Game Can Never Be Continued
  CKST-B64Y
• Gold Coin Worth 50 Baums Instead Of 10
  AWNA-B68E
• Gold Coin Worth 100 Baums
  A4NA-B68E
• Gold Coin Worth 1000 Baums
  B4NA-B68E
• Gold Coin Worth Nothing
  ACNA-B68E
• Bag Of Gold Worth 10 Baums Instead Of 100
  ALPT-B662
• Bag Of Gold Worth 500 Baums
  BCPT-B662
• Bag Of Gold Worth 1000 Baums
  B4PT-B662
• Bag Of Gold Worth Nothing
  ACPT-B662
• Doll Prize Worth 2 Extra Lives Instead Of 1
  HCRA-BJXA
• Doll Prize Worth 3 Extra Lives
  HCRA-BNXA
• Doll Prize Worth Nothing
  ALRA-AA5A
• All Janken Games Cost 10 Baums
  AKGA-B64A
  AMBA-B68L
  RFGA-A6V8
• All Janken Games Cost 50 Baums
  AVGA-B64A
  AXBA-B68L
  RFGA-A6V8
• All Janken Games Cost 100 Baums
  A3GA-B64A
  A5BA-B68L
  RFGA-A6V8
• All Janken Games Cost 500 Baums
  BBGA-B64A
  BDBA-B68L
  RFGA-A6V8
• All Janken Games Cost 1000 Baums
  B3GA-B64A
  B5BA-B68L
  RFGA-A6V8
• All Janken Games Are Free
  ABGA-B64A
  ADBA-B68L
  RFGA-A6V8
• Alex Always Wins At Janken
  RG4A-A610
  HC4T-BAAN
  WC4T-AD2R
  AR4T-AAAY
• Alex Jumps Higher
  9NDA-B93Y
• Alex Jumps Much Higher
  9EDA-B93Y