Enter "SQUISHY" at the Code screen.
Enter BEACHBOYS at the Code screen.
Enter "BIGFOOT" at the Code screen.
Enter FATHEAD at the Code screen.
If you really want to enrage your friend (or sibling), hit start when his free throw cursor is lined up. This will cause his cursor to start back at the original position. If you do this enough times he will eventually get a penalty for being at the foul line to long. HA HA HA!
When shooting your last freethrow you can control the center before the ball reaches the basket. Right after the ball leaves the shooters hands procede to take control of the center and jump towards the hoop and he will almost always catch the ball and dunk it before the ball even touches the rim. This will count as two points instead of one. It is almost like an alley-oop.
Enter "DOUGHBOY" at the Code screen.
Enter "HIMOM" at the Code screen to display the message: "Hi mom! Love, your Child." at the code confirmation screen.
Put in "coachouch" as the password
Enter "MONSTER" at the Code screen.
Enter "DEVDUDES" at the Code screen to unlock NBA 2K, Sega Sports and Sega teams.
Enter "LITTLEGUY" at the Code screen.