Game Shark Codes
Ball Always in Hand 802EF79C 0002
Ball in Hand P1 D02EF798 0001 802EF79C 0002
Always P1's Turn 802EF798 0000
Ratings Modifier P1 81062C6A ????
Wins Modifier P1 812EF780 ????
Ball in Hand P2 D02EF798 0001 802EF79C 0002
Always P2's Turn 802EF798 0001
Ratings Modifier P2 81062CEE ????
Wins Modifier P2 812EF782 ????

Rotate CPU cue stick
While the CPU is taking a shot, press R to change to the overhead view. The CPU cue stick may now be rotated from this screen.
Re-shoot when playing against the CPU
To re-shoot an incorrect shot with the same angle, but a different strength, wait until the CPU takes its turn after the bad shot. Press Left to enter replay mode during the CPU's turn, then hold R to change to the overhead view before the replay begins. Hold A and re-shoot after changing the strength of the shot.

Retake shot
While playing against the computer and you missing a shot, go to replay mode and hold down A. To re-aim and powerup, hold down A and R and press B.