Game Guides, Cheats, Codes, Hints and Walkthroughs for Mlb Slugfest 20-04 on GameBoy Adv..

Cheat Mode
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.

Effect Code

All fielders run 1-3-2 Up

Fireworks 1-4-1 Right

1920 mode 2-4-2 Up

Ghost fielders 3-1-3 Down

Skull ball 3-2-3 Left

Nuke ball 3-4-3 Up

Backwards fielders 4-4-4 Right