[Umpire mode]
Call it correctly whether the pitch is a ball or a strike.
You are only allowed to fail twice.
Subtle judgments will be verified in the replay.

[Batter mode]
Can your batting for win in the bottom of the ninth inning?
Anticipate the pitches and hit a home run into the stands!

[Pitcher mode]
Use your best pitching to get outs from batters!
Can you live up to team manager's expectations?