The following are known Game Genie Codes for Herzog Zwei on SEGA Genesis.

• AJBT-AA68
  Master Code – Must Be Entered

Common Codes

• JP4T-AE0N
  All weapons are made immediately
• DV4T-AA6R
  Infinite money
• AJ7A-AA36
  Infinite energy
• B2HA-AA98
  Infinite ammunition
• ATNA-AA32
  Infinite stamina against anti-aircraft fire
• AJLT-AA7W
  Infinite stamina against bullets
• BCGT-AA5L
  Infinite total strength
• RGFA-A602
  Immediate energy recovery
• NCFA-BE92
  Immediate ammunition recovery
• RGFA-A6ZY
  Immediate stamina recovery
• AF0A-AADY
  Total strength starts at 1
• NV0A-AADY
  Total strength starts at 100
• 8V0A-ACDY
  Total strength starts at 500
• VB0A-BGDY
  Total strength starts at 5,000
• LB0A-AHXY
  Total strength starts at 50,000

Player 1 Codes

• AAEA-BA36
  Never get money
• JAEA-BJV6
  Get 80 G’s per second in 1st battle stage and 200 in stages 2 – 8
• JAEA-BNV6
  Get 120 G’s per second in 1st battle stage and 240 in stages 2 – 8
• JAEA-BTV6
  Get 160 G’s per second in 1st battle stage and 280 in stages 2 – 8
• JAEA-BYV6
  Get 200 G’s per second in 1st battle stage and 320 in stages 2 – 8
• JAEA-B2V6
  Get 240 G’s per second in 1st battle stage and 360 in stages 2 – 8
• JAEA-B6V6
  Get 280 G’s per second in 1st battle stage and 400 in stages 2 – 8
• JAEA-BAV6
  Get 320 G’s per second in 1st battle stage and 440 in stages 2 – 8
• AA0T-AAFY
  Start with no G’s
• NT0T-AAFY
  Start with 1,000 G’s
• 8T0T-ACFY
  Start with 5,000 G’s
• VA0T-BGFY
  Start with 50,000 G’s
• CA0T-ARPY
  Start with 100,000 G’s
• ZA0T-AC7Y
  Start with 250,000 G’s
• LA0T-AHZY
  Start with 500,000 G’s(Maximum)

Player 2 Codes

• AAEA-BA50
  Never get money
• JAEA-BJV6
  Get 80 G’s per second in 1st battle stage and 200 in stages 2 – 8
• JAEA-BNV6
  Get 120 G’s per second in 1st battle stage and 240 in stages 2 – 8
• JAEA-BTV6
  Get 160 G’s per second in 1st battle stage and 280 in stages 2 – 8
• JAEA-BYV6
  Get 200 G’s per second in 1st battle stage and 320 in stages 2 – 8
• JAEA-B2V6
  Get 240 G’s per second in 1st battle stage and 360 in stages 2 – 8
• JAEA-B6V6
  Get 280 G’s per second in 1st battle stage and 400 in stages 2 – 8
• JAEA-BAV6
  Get 320 G’s per second in 1st battle stage and 440 in stages 2 – 8
• AA1A-AAEA
  Start with no G’s
• NT1A-AAEA
  Start with 1,000 G’s
• 8T1A-ACEA
  Start with 5,000 G’s
• VA1A-BGEA
  Start with 50,000 G’s
• CA1A-ARNA
  Start with 100,000 G’s
• ZA1A-AC6A
  Start with 250,000 G’s
• LA1A-AHYA
  Start with 500,000 G’s (Maximum)