Older Cheats:
(last update - Feb 29 2000)
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 |
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