Enter the options menu and select "Gameplay". Hold D-Pad Left + Left + Analog-stick Right and press start. The "Codes" selection will now be unlocked at the options menu.
Intentional fouls
When you are down by a few points, press L1 + R2 to call the defense to create an intentional foul. Use this as a strategy to try and tie the score to go to overtime, assuming the opponent will miss the free throws.
Easy three pointers with Allen Iverson
Choose Allen Iverson and go to the left side of the court near the corner. If a defender is checking you, upfake. When he flies away trying to block your shot, shoot the three pointer. The release must be excellent. After shooting two or three of them, he will become hot.
Play as Legends Team in Season Mode
Go to season mode and edit the season. Take out any team and replace it with the Legends team.
Activate Kareem Abdul-Jabbar and Bernard King
Go to the active players section and choose the 80's All Stars. The West 80's All Stars have two players, Kareem Abdul-Jabbar and Bernard King, who are not active. Deactivate one or two players and activate either Kareem or Bernard or both.
Easy Three Pointers with Allen Iverson
Using Allen Iverson, go to the left corner of the court. If a defender is in your way, pump fake him until he jumps, then shoot a 3 with excellent release (holding the shot button until he reaches the top of his jump). Make 2 or 3 three's with this method and "The Answer" will get hot.
Easy Win
In the NBA Rules section of the options menu take off fouling. Use the intentional foul to make the other team drop the ball, then run up the court and score.
Special Dunk
To do the under the leg dunk when on a break away, take control of Stackhouse, Bryant, Carter, Macgrady, or any other good player, hold turbo and go for a dunk. You will make it most of the time.
Bonus Teams
To unlock the Sega Sports, Visual Concepts, and Team 2K2 in Exhibition and Street modes, enter MEGASTARS as a code.