MLB SlugFest: Loaded cheats and cheat codes for Playstation 2

Cheat mode:
Press the following buttons and the indicated direction at the 
match-up screen to enable cheat codes:

O=circle, squ=square, tri=triangle

Caveman bat: O, Right 
Bone bat: O, Up, Up     
Blade bat: O, O, Up     
Maximum speed: O, O, O, Left     
Ice bat: O, O, O, Up     
Mace bat: O, O, O, O, Left    
Wiffle bat: O, O, O, O, Right    
Log bat: O, O, O, O, Up    
Spike bat: O, O, O, O, O, Up   
Maximum power: Tri, Tri, Tri, Left     
Little: League mode, Squ, O, Down     
Dolphin team: Squ, O, O, Down     
Dwarf team: Squ, O, O, O, Down    
Minotaur team: Squ, Tri, Down     
Tournament mode: Squ, Tri, O, Down     
Scorpion team: Squ, Tri, O, O, Down    
Gladiator team: Squ, Tri, O, O, O, Down    
Sub-Zero team: Squ, Tri, Tri, O, O, Down 
Extra time after plays: Squ, Tri, Tri, O, O, O, Up   
Rodeo Clown team: Squ, Tri, Tri, Tri, O, O, Down   
Bobble Head team: Squ, Tri, Tri, Tri, O, O, O, Down 
Small heads: Squ, Squ, Left     
Big heads: Squ, Squ, Right     
Pinto team: Squ, Squ, Tri, Right
Evil Clown team: Squ, Squ, Tri, O, Down    
Horse team: Squ, Squ, Tri, O, Right    
Eagle team: Squ, Squ, Tri, O, O, Right 
Lion team: Squ, Squ, Tri, Tri, Right    
Oshlan team: Squ, Squ, Tri, Tri, O, O, Down   
Todd McFarlane team: Squ, Squ, Tri, Tri, O, O, Right   
Rivera team: Squ, Squ, Tri, Tri, O, O, Up   
Alien team: Squ, Squ, Tri, Tri, Tri, O, Down   
Napalitano team: Squ, Squ, Tri, Tri, Tri, O, O, Down  
Casey team: Squ, Squ, Tri, Tri, Tri, O, O, O, Down  
Softball: Squ, Squ, Tri, Tri, Tri, Tri, O, O, Down  
Rubber ball: Squ, Squ, Tri, Tri, Tri, Tri, O, O, Up  
Maximum batting: Squ, Squ, Squ, Left
Bonus time to enter codes: Squ, Squ, Squ, O, O, O, Up   
Midway Park stadium: Squ, Squ, Squ, Tri, Tri, O, Down   
Atlantis stadium: Squ, Squ, Squ, Tri, Tri, O, Left   
Empire stadium: Squ, Squ, Squ, Tri, Tri, O, Right   
Rocket Park: Squ, Squ, Squ, Tri, Tri, O, Up   
Monument stadium: Squ, Squ, Squ, Tri, Tri, Tri, O, O, O, Down 
Forbidden stadium: Squ, Squ, Squ, Tri, Tri, Tri, O, O, O, Left
Terry Fitzgerald team: Squ, Squ, Squ, Tri, Tri, Tri, O, O, O, Right 
Coliseum stadium: Squ, Squ, Squ, Tri, Tri, Tri, O, O, O, Up  
No fatigue: Squ, Squ, Squ, Tri, Tri, Tri, Tri, O, O, O, Up 
No contact: Squ, Squ, Squ, Squ, Tri, Tri, Tri, O, O, O, Left 
Infinite turbo: Squ, Squ, Squ, Squ, Tri, Tri, Tri, Tri, O, O, O, O, Down


Lions team:
Hit a home run at Comerica park with the Tigers.

Sub Zero team:
Hit a home run at Midway Park.

Bobblehead team:
Hit ten home runs in a game.

Eagles team:
Get walked three times in one game. To do this easily requires two controllers. 
Use controller two, choose any pitch, but throw a ball.

Scorpion team:
Hit a home run with Sub Zero at Midway Park.

Atlantis stadium:
Hit a home run at Right Field in SBC (San Francisco) 

Coliseum stadium:
Hit a home run at Fenway (Boston Red Sox)

Empire stadium:
Hit a home run at Yankee Stadium (New York Yankees) 

Forbidden stadium:
Hit a home run at Pet Co (San Diego Padres) 

Midway stadium:
Hit a home run at Wrigley Field (Chicago Cubs)

Monument stadium:
Hit a home run at Citzen's Bank (Philadelphia Phillies) 

Rocket Park stadium:
Hit a home run at Minute Made Park (Houston Astros) 

Easy home runs:
Press power swing (Squ + L3).

Hit very far (800 feet):
Press Up + Turbo + Power Swing at the exact correct moment to crush the wall. 
It is basically luck, but it works. 

Unlock All Teams:
At the versus screen, press Down, O(5), Tri(3), O(2), Squ.

Season movie in Extras menu:
Finish the entire season

Challenge movie in Extras menu:
Finish challenge mode