More Time After Each Play: SQUARE, TRIANGLE, TRIANGLE, CIRCLE, CIRCLE, CIRCLE, LEFT.
Big Heads: SQUARE, SQUARE, RIGHT.
Tiny Heads: SQUARE, SQUARE, LEFT.
Max Out Batting: SQUARE, SQUARE, SQUARE, LEFT.
Max Out Power: TRIANGLE, TRIANGLE, TRIANGLE, LEFT.
Unlimited Turbo: SQUARE, SQUARE, SQUARE, SQUARE, TRIANGLE, TRIANGLE,
TRIANGLE, TRIANGLE, CIRCLE, CIRCLE, CIRCLE, CIRCLE, DOWN
Softball Mode: SQUARE, SQUARE, TRIANGLE, TRIANGLE, TRIANGLE, TRIANGLE, CIRCLE, CIRCLE, DOWN.
Ball Is Rubber: SQUARE, SQUARE, TRIANGLE, TRIANGLE, TRIANGLE, TRIANGLE, CIRCLE, CIRCLE, UP.
Max Out Speed: CIRCLE, CIRCLE, CIRCLE, LEFT.

Fantasy Teams and Stadiums :  At the Title Screen or the Main Menu press TRIANGLE, SQUARE, R1 to unlock all
Fantasy Teams and Fantasy Stadiums.

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)