MLB Slugfest: Loaded
  
PS2
  
  
Enter the following codes at the Vs. screen:

Unlimited turbo:


Press Down, Square, Square, Square, Square, Triangle, Triangle, Triangle, Triangle,
  Circle, Circle, Circle, Circle. 


  


  Softball mode:


  Press Down, Square, Square, Triangle, Triangle, Triangle, Triangle,
Circle, Circle.
Big Head mode:


Press Right, Square, Square .
Rubber Ball mode:


Press Up, Square, Square, Triangle, Triangle, Triangle, Triangle,
Circle, Circle.
Tiny Head mode:


Press Left, Square, Square.
Max batting:


Press Left, Square, Square, Square.
Max power:


Press Left, Triangle, Triangle, Triangle.
Max speed:


Press Left, Circle, Circle, Circle.

Extra time after plays:


Press Left, Square, Triangle, Triangle,
Circle, Circle, Circle. 
Fantasy stadiums and teams:


At the main menu, press Triangle, Square, R1.








Passcodes. Enter these at the Vs. Screen as well:

Thanks to Revolution readers Xiao Khan, Sn1p3r_DIA, Ben Johnson, and everred!