The following are known GameShark Codes for Mike Tyson Boxing on Sony Playstation (PS1).

• Max Reverse Joker Command
  D01226D6 ????
• Infinite Rest (Gym)
  80145290 0064
• Tyson KO Always Full
  8017A344 0000
• Infinite Time
  80102D54 003B
• Unlock Frankie Zamboni
  80100444 0001
• Unlock Johnny Roberts
  80100448 0001
• Unlock Mick Oshea
  8010044C 0001
• Unlock Jimmy Silk
  80100450 0001
• Unlock Tao Zhu
  80100424 0001
• Unlock Samuel Jefferson
  80100428 0001
• Unlock Fabian Van Hilten
  8010042C 0001
• Unlock Patrice Demanger
  80100430 0001
• Press Select For 1-Hit KO (Showcase)
  D01226D6 FFFE
  8019CA38 FFFF
  D01226D6 FFFE
  8019D238 FFFF
  D01226D6 FFFE
  8019DA38 FFFF
  D01226D6 FFFE
  8019F238 FFFF
  D01226D6 FFFE
  8019FA38 FFFF
  D01226D6 FFFE
  801A0238 FFFF
  D01226D6 FFFE
  801A0A38 FFFF
  D01226D6 FFFE
  801A1238 FFFF
• Press Select For 1-Hit KO (World)
  D01226D6 FFFE
  8019E5C8 FFFF
  D01226D6 FFFE
  8019EDC8 FFFF
  D01226D6 FFFE
  8019F5C8 FFFF
  D01226D6 FFFE
  8019FDC8 FFFF
  D01226D6 FFFE
  801A05C8 FFFF
  D01226D6 FFFE
  801A0DC8 FFFF
  D01226D6 FFFE
  801A15C8 FFFF
  D01226D6 FFFE
  801A1DC8 FFFF
  D01226D6 FFFE
  801A25C8 FFFF
  D01226D6 FFFE
  801A2DC8 FFFF
  D01226D6 FFFE
  801A35C8 FFFF
  D01226D6 FFFE
  801A3DC8 FFFF
  D01226D6 FFFE
  801A4558 FFFF
  D01226D6 FFFE
  801A4D58 FFFF
• KO Modifier
  801452CA 00??