NBA Jam Extreme
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Keep record screen codes
Enter following codes on the keep record screen. They are entered one pair of letters at a time. Enter the first pair, backspace twice, and enter the next pair and repeat until the code is complete. If you entered the code correctly, you will hear a sound and see a flash. Now at this point, you can enter a normal record entry.
Pre-game codes
On the select screen, begin entering the following controller actions and completing them on the Vs. screen. The final action of the code should be completed on the Vs. Screen to activate the cheat. If you entered the code correctly, you will hear a sound effect and a picture of a player will appear at the bottom of the screen.
Tip-off codes
Enter the following codes before the tip-off during the time the referee walks out and throws the ball in the air. Note: Entry of a code effects all players in the game. On codes with multiple button presses, entry of a button too many times will disable the code from entry by other players.
Dribble codes
Enter the following codes while playing a game:
Big feet
When exiting the Big Head selection screen, hold Left or Right.
Short players with big heads
On the big head selection screen, press Up, Down, Left, Right, Down, then hold Up and select the "Yes" option.
Hidden mini-game
In a four-player game when exiting the select screen, hold Up + Extreme on all four D-pads. Now a four-player game called Head-er-oids will begin.
Marshmallow treats
Just before the screen dims at the end of the title sequence, hold Up on all D-pads.
Hidden team select
Press Down + Turbo to make the cursor and team choices disappear while they are being selected.
Random team select
At the team selection screen, press Up + Turbo.
Random player select
After selecting a random team, press Up + Turbo.
Hidden stats
On the team select screen, press Left + Extreme to toggle the stats display for each player.
Joke screen
Hold Start and turn on the PlayStation to display a screen that resembles assembly and C code.
Access all teams
On the "Initials" screen, hold L1 + R1 and enter the initials YME and the date May 17.
Hidden teams
On the "Initials" screen, hold L1 + R1 and enter one of the following initials and dates: