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

• Infinite Lives
  REGT-A6XY
• No Continues
  ABHT-YAG4
• Start With 4 Continues
  AVHT-YAG4
• Start With 9 Continues
  BFHT-YAG4
• Each Round Lasts About 10 Seconds
  CEFT-CADR
• Each Round Lasts About 20 Seconds
  ETFT-CADR
• Each Round Lasts About 30 Seconds
  G2FT-CADR
• Each Round Lasts About 1 Minute
  PYFT-CADR
• Each Round Lasts About 2 Minutes
  5JFT-CADR
• Each Round Lasts About 3 Minutes
  KAFT-CCDR
• Infinite Time To Complete A Round
  BAEA-CA3T
• Everyone Is About 2X Stronger
  AKDT-AAD0
• Everyone Is About 3X Stronger
  APDT-AAD0
• Everyone Is About 4X Stronger
  AVDT-AAD0
• Everyone Is About 5X Stronger
  AZDT-AAD0
• Begging Does Not Improve Health
  AMHA-AA5R
• Begging Can Improve Health 2X Normal Amount
  PDHA-BJXR
• Begging Can Improve Health 3X Normal Amount
  PDHA-BNXR
• Begging Can Improve Health 5X Normal Amount
  PDHA-BYXR
• Player 1 Can Select Any Character In The Game
  CBNA-CABA
• Player 2 Can Select Any Character In The Game
  CBNA-CABJ
• Start On Match 2
  AFHT-CAA8
• Start On Match 3
  AKHT-CAA8
• Start On Match 4
  APHT-CAA8
• Start On Match 5
  AZHT-CAA8
• Start On Match 6
  A3HT-CAA8
• Start On Match 7
  A7HT-CAA8
• Start On Match 8
  BFHT-CAA8
• Start On Match 9
  BKHT-CAA8
• Start On Match 10
  BPHT-CAA8
• Start On Match 11
  BZHT-CAA8
• Start On Match 12
  B3HT-CAA8
• Start On Match 13
  CBHT-CAA8
• Kronk Starts With Almost No Health
  AFJV-0AGG
• Kronk Starts With 33% Health
  JPJV-0AGG
• Kronk Starts With 67% Health
  TZJV-0AGG
• Kronk Starts With 200% Health
  WBJV-0CGG
• Kronk Starts With 300% Health
  MBJV-0EGG
• Boomer Starts With Almost No Health
  AGFB-GADR
• Boomer Starts With 33% Health
  JRFB-GADR
• Boomer Starts With 67% Health
  T0FB-GADR
• Boomer Starts With 200% Health
  WCFB-GCDR
• Boomer Starts With 300% Health
  MCFB-GEDR
• Bruiser Starts With Almost No Health
  AF4V-JAAY
• Bruiser Starts With 33% Health
  JP4V-JAAY
• Bruiser Starts With 67% Health
  TZ4V-JAAY
• Bruiser Starts With 200% Health
  WB4V-JCAY
• Bruiser Starts With 300% Health
  MB4V-JEAY
• Turbo Starts With Almost No Health
  AFNB-NABJ
• Turbo Starts With 33% Health
  JPNB-NABJ
• Turbo Starts With 67% Health
  TZNB-NABJ
• Turbo Starts With 200% Health
  WBNB-NCBJ
• Turbo Starts With 300% Health
  MBNB-NEBJ
• Tsunami Starts With Almost No Health
  AFHV-YAD2
• Tsunami Starts With 33% Health
  JPHV-YAD2
• Tsunami Starts With 67% Health
  TZHV-YAD2
• Tsunami Starts With 200% Health
  WBHV-YCD2
• Tsunami Starts With 300% Health
  MBHV-YED2
• Yoko Starts With Almost No Health
  AF2V-LAH6
• Yoko Starts With 33% Health
  JP2V-LAH6
• Yoko Starts With 67% Health
  TZ2V-LAH6
• Yoko Starts With 200% Health
  WB2V-LCH6
• Yoko Starts With 300% Health
  MB2V-LEH6
• Divine Starts With Almost No Health
  AFRB-RADG
• Divine Starts With 33% Health
  JPRB-RADG
• Divine Starts With 67% Health
  TZRB-RADG
• Divine Starts With 200% Health
  WBRB-RCDG
• Divine Starts With 300% Health
  MBRB-REDG
• Crusher Starts With Almost No Health
  AFYB-2AB2
• Crusher Starts With 33% Health
  JPYB-2AB2
• Crusher Starts With 67% Health
  TZYB-2AB2
• Crusher Starts With 200% Health
  WBYB-2CB2
• Crusher Starts With 300% Health
  MBYB-2EB2
• El Ballz Starts With Almost No Health
  AEVV-WABT
• El Ballz Starts With 33% Health
  JNVV-WABT
• El Ballz Starts With 67% Health
  TYVV-WABT
• El Ballz Starts With 200% Health
  WAVV-WCBT
• El Ballz Starts With 300% Health
  MAVV-WEBT
• Byte Viper Starts With Almost No Health
  AE3B-6ACY
• Byte Viper Starts With 33% Health
  JN3B-6ACY
• Byte Viper Starts With 67% Health
  TY3B-6ACY
• Byte Viper Starts With 200% Health
  WA3B-6CCY
• Byte Viper Starts With 300% Health
  MA3B-6ECY
• Lamprey Starts With Almost No Health
  AH3B-TAGN
• Lamprey Starts With 33% Health
  JS3B-TAGN
• Lamprey Starts With 67% Health
  T13B-TAGN
• Lamprey Starts With 200% Health
  WD3B-TCGN
• Lamprey Starts With 300% Health
  MD3B-TEGN
• T-Wrecks Starts With Almost No Health
  AFXB-WAGT
• T-Wrecks Starts With 33% Health
  JPXB-WAGT
• T-Wrecks Starts With 67% Health
  TZXB-WAGT
• T-Wrecks Starts With 200% Health
  WBXB-WCGT
• T-Wrecks Starts With 300% Health
  MBXB-WEGT
• Guggler Starts With Almost No Health
  AH6V-WADT
• Guggler Starts With 33% Health
  JS6V-WADT
• Guggler Starts With 67% Health
  T16V-WADT
• Guggler Starts With 200% Health
  WD6V-WCDT
• Guggler Starts With 300% Health
  MD6V-WEDT
• Spike Starts With Almost No Health
  AGYB-WACE
• Spike Starts With 33% Health
  JRYB-WACE
• Spike Starts With 67% Health
  T0YB-WACE
• Spike Starts With 200% Health
  WCYB-WCCE
• Spike Starts With 300% Health
  MCYB-WECE
• Bounder Starts With Almost No Health
  AFPB-TAET
• Bounder Starts With 33% Health
  JPPB-TAET
• Bounder Starts With 67% Health
  TZPB-TAET
• Bounder Starts With 200% Health
  WBPB-TCET
• Bounder Starts With 300% Health
  MBPB-TEET
• 1st Jester Starts With Almost No Health
  AE4V-4AEY
• 1st Jester Starts With 33% Health
  JN4V-4AEY
• 1st Jester Starts With 67% Health
  TY4V-4AEY
• 1st Jester Starts With 200% Health
  WA4V-4CEY
• 1st Jester Starts With 300% Health
  MA4V-4EEY
• 2nd Jester Starts With Almost No Health
  AEAA-CAFE
• 2nd Jester Starts With 33% Health
  JNAA-CAFE
• 2nd Jester Starts With 67% Health
  TYAA-CAFE
• 2nd Jester Starts With 200% Health
  WAAA-CCFE
• 2nd Jester Starts With 300% Health
  MAAA-CEFE