MLB SlugFest 20-04 Cheats for GameBoy Advance

Press B, A, and R to enter the following codes on the match-up screen. The numbers in the following list indicate the number of times each button is pressed. After the first part of the code has been entered, press the D-pad in the indicated direction to enable it. Example, to enter 1-2-3 Right, press B, A(2), R(3), Right. A message will appear to confirm correct code entry.

Code:	Result:
2-4-2 Up	1920 mode
1-3-2 Up	All fielders run
4-4-4 Right	Backwards fielders
1-4-1 Right	Fireworks
3-1-3 Down	Ghost fielders
1-1-1 Left	No violence
3-4-3 Up	Nuke ball
3-2-3 Left	Skull ball