Hidden Characters :
WIL, Jan 1
JMC, Aug 5
SAL, Feb 1 (Sal Divita did the artwork for NBA Jam, as well as some graphics work on Mortal Kombat)
TWG, Dec 7
JWH, Sep 20 (On the design team screen, Jon Hey is the one in the checkered shirt and glasses, sticking his tongue out to the rest of the world)
HOW, Jul 15
SL(space), Jun 24 (Shawn Liptak is the one on the design team screen with a basketball for a brain)
JRN, Jun 18
SNO, Jan 3
GNP, Oct 8 (George N. Petro is the main designer of "Terminator 2 - Judgement day")
RJR, Jan 17 (Jamie Rivett helped with the autostat portion of NBA Jam)
TON, Jul 03 (Tony Scoot helped with digitizing the player movements and performed many of the special dunks)
MJT, Mar 22 (Mark J. Turmell is the main designer and programmer for NBA Jam)
Big Head : Hold Up+Turbo+Steal at 'Tonight's match up'.
Defense - Press Steal or Block 8 times when it says 'Tonight's match up'.
Intercept - Hold Down joystick and hold all three buttons during 'Tonight's match up'.
Offense - press Steal or Block 21 times at 'Tonight's match up'.
Defense and Intercept - At 'Tonight's Match-Up', Press the Shoot button 7 times, then all at once, hold Down the joystick and all three buttons.
Powerup Defense and Big head - press Turbo 6 times, hold Turbo and Steal, then hold the joystick Up at 'Tonight's match-up'.
Fair Shake - Tap turbo 10 times when it says 'Tonight's match up'. The Fair shake can ONLY be done in Human vs. Human games and ONLY on machines that are version 3.0 or greater.
Fair Shake and Powerup Intercept - press Turbo 7 times, then hold Turbo+Pass+Shoot, then hold the joystick Down at 'Tonight's match-up'.
Fair Shake and Big head - Press turbo 8 times, then hold Turbo+Steal and hold the joystick Up.
Tank Mini-Game : Hold all buttons for all four players and press Down on all four joysticks at the 'Tonight's match up'. Keep the controls held until the mini-game begins.