At the title screen, press C-Right, A, Down, Left.
At the title screen, press C-Up, R, B (x2).
At the title screen, press R, A, Z, R, C-Right, A, B.
At the pre-game menu, press L, R, L, R. You must activate this code before using any of the following cheats. The following cheats are all used in the pregame menu:
| Effect | Code |
| Devil's Thumb stadium | Right, A, C-Up, L, A |
| Always hit home runs | L, A, Down, Right |
| Super players | B, A, R, B, A, L (x2) |
| Better throws by fielders | B, A, L, Down, Z |
| Better plays by fielders | B, A, R, Down, L, B |
| Faster fielders | R, A, Z, L, Down, A, Z, L |
| Crazy ball | C-Right, A, Z, B, A, L (x2) |
| Better pitches | B, L, A, B, R, Z |
| Crazy pitches | C-Right, A, Z, C-Up, R, B |
| Faster pitches | R, A, Z, L, Down |
| Varied pitches | C-Right, A, Z, C-Up, R, L |
| Easy steals | C-Left, A, Down, C-Up, Z |
| Aluminum bats | R, A, Z, B, A, L (x2) |
| Red bats | R, Down, B, A, Right |
| Blue bats | B, L, B, A, Right |
| Psychedelic bats | Z, B, R, A |
| Low gravity | Up, R, A, L |
| Increased gravity | Up, Down, L, Up, R |
| Fast game | L, A, Z, R, B, A, L (x2) |
| Slow game | Up, L (x2), B, A, L (x2) |
| Alternate sky | C-Right, A, Z, C-Up, L, R, Z |
Cheats
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Alternate skies
Enter L, R, L, R at "Today's Game Screen." Now enter C-Right, A, Z, C-Up, L, R, Z for alternate skies.
Verified by: this cheat is unverified
Submitted by:
Chad on July 23, 2006
Aluminum Bats
Go to the "Today's Game Screen" and enter L, R, L, R. Then: R, A, Z, B, A, L, L for Aluminum Bats.
Verified by: this cheat is unverified
Submitted by:
Chad on July 23, 2006
Always hit a homerun
Go to the "Today's Game Screen" and enter L, R, L, R. Now do this: Press L, A, down (D-Pad), R to always hit a homerun.
Verified by: this cheat is unverified
Submitted by:
Chad on July 23, 2006
Blue bats
Go to the "Today's Game Screen" and enter L, R, L, R. Then: R, down, B, A, right for red bats B, L, B, A, right for blue bats.
Verified by: this cheat is unverified
Submitted by:
Chad on July 23, 2006
Crazy ball
Go to the "Today's Game Screen" and enter L, R, L, R. Now do this: C-Right, A, Z, B, A, L, L for a crazy ball.
Verified by: this cheat is unverified
Submitted by:
Chad on July 23, 2006
Crazy Pitch
Go to the "Today's Game Screen" and enter L, R, L, R. Now do this: C-Right, A, Z, C-Up, R, B for Crazy Pitch.
Verified by: this cheat is unverified
Submitted by:
Chad on July 23, 2006
Credits option
Enter the following code at the titles screen to enable a credits option: R, A, Z, R, C-Right, A, B.
Verified by: this cheat is unverified
Submitted by:
Chad on July 23, 2006
Devil's Thumb Stadium
Go to the "Today's Game Screen" and enter L, R, L, R. Now do this: To get the Devil's Thumb Stadium, press right (D-Pad), A, C-Up, L, A.
Verified by: this cheat is unverified
Submitted by:
Chad on July 23, 2006
Easy steals
Go to the "Today's Game Screen" and enter L, R, L, R. Then: C-Left, A, down, (D-Pad) C-Up, Z for easy steals.
Verified by: this cheat is unverified
Submitted by:
Chad on July 23, 2006
Fast or slow games
Enter L, R, L, R at "Today's Game Screen." Now enter L, A, Z, R, B, A, L, L for fast games or up, L, L, B, A, L, L for slow games.
Verified by: this cheat is unverified
Submitted by:
Chad on July 23, 2006
Hidden messages
At the title screen (the one with Piazza's picture), enter: C-Up, R, B, B for hidden messages.
Verified by: this cheat is unverified
Submitted by:
Chad on July 23, 2006
Increased gravity
Enter L, R, L, R at "Today's Game Screen." Now enter up, R, A, L for low gravity or: up, down, L, up, R for increased gravity.
Verified by: this cheat is unverified
Submitted by:
Chad on July 23, 2006
Psycho Bats
Go to the "Today's Game Screen" and enter L, R, L, R. Then: Z, B, R, A for Psycho Bats.
Verified by: this cheat is unverified
Submitted by:
Chad on July 23, 2006
Varied pitches
Go to the "Today's Game Screen" and enter L, R, L, R. Now do this: C-Right, A, Z, C-Up, R, L for varied pitches.
Verified by: this cheat is unverified
Submitted by:
Chad on July 23, 2006