The following are known Game Genie Codes for Ken Griffey Jr. Presents Major League Baseball on Super Nintendo (SNES).

• 1 Ball And You Walk
  DFC3 170F
• 2 Balls And You Walk
  D4C3 170F
• You Cannot Walk a Player
  CBB3 1D2D
• 1 Strike & You’re Out
  DFCE 1F0F
• 2 Strikes & You’re Out
  D4CE 1F0F
• Can’t Strike Out
  C2BE 179D
• Invisible Baserunners
  DF27 CFA4
• 2 Outs And Whole Team Is Out
  D4C3 170F
• No Outs Except Strike Outs
  C2A2 4D94
  C2AA 47B4
• Computer Can’t Score
  C28A-3FA7
  CBB0-4797
  C283-34D7