Bonus teams
Highlight the "Exhibition" option and repeatedly tap C-Left + C-Right + C-Up + C-Down. If you entered the code correctly, you will hear a sound. Then, select the "All-Star teams" option to access the Nintendo and Angel Studios teams.

Hit a homerun
While in the batter's box with Ken Griffey Jr., press Left(2), Right(3), Left(2) before the pitcher winds up to throw the ball. If you entered the code correctly, Ken Griffey Jr. will point his bat in the direction where the ball will be hit. Then, successfully connect with the ball to automatically hit a homerun. Note: This code does not work in Home Run Durby mode.

Exploding batter
While in the batter's box, press Right, Left, Down, Right, Left, Up, Right, Left, Down. Then your batter will explode and reappear after the next pitch.

Dancing batter
While in the batter's box, press Up(2), Down, Left(2), Right(2), Left(2), Down, Up(2).

Dancing pitcher
While on the pitching mound, press Up(2), Down, Left(2), Right(2), Left(2), Down, Up(2).

View ending sequence
Select exhibition mode, and choose the same team as home and visitor. Then at the stadium selection screen, press C-Left, C-Right, C-Left(2), C-Right, C-Down, C-Up, Z. If you entered the code correctly, you will hear a sound.

View fireworks
Select exhibition mode. Then at the stadium selection screen, press Z to enter "View Stadium" mode. Then, press R + Z to shoot fireworks near the home plate section of the stadium.

No-hit pitch
Place the crosshair anywhere outside the yellow batting circle and hold it there. Then, hold Z and press C-Up, C-Left, or C-Right to look at one of the bases. Now release Z, then release the other button. The crosshair will disappear from the pitching screen. Select and throw any pitch, which will always be a strike or a ball.

Easy hits
While batting, hold B to move the cursor to where the ball will be pitched. Now release B as soon as the ball is thrown and swing.

Flying outfielder
Wait until a pop fly to the outfield is hit by your opponent. Allow the ball to drop, then pick it up. Hold Z and press C-Up to run into the infield with the ball. Then, press C-Right, C-Up, C-Left, C-Down, C-Left, C-Up, C-Down, C-Right, C-Up, C-Left, C-Down to throw the ball to various bases. If you entered the code correctly, the crowd will boo. Then, intentionally ignore the next ball that is hit into the outfield, and repeatedly tap A or B to fly.

Alternate uniform color
Select exhibition mode, then at the team selection screen, repeatedly tap C-Left + C-Right + C-Up + C-Down.

View CPU pitcher status
On controller two while the CPU is pitching, press R.

Control title screen
At the title screen, hold Z to stop the spinning baseball. Then while holding Z, press the Analog-stick to control the baseball's movement.