The following are known Action Replay Codes for NBA Hoopz on SEGA Dreamcast (Dreamcast). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark

(M)
EC8D9334
143B46A4

P1 Scores 0 Points
4CBAD24C
1456E7A5

Play as Midget - JR Reid
800AC266 0720

P2 Scores 0 Points
4CBAD268
1456E7A5

P1 No Fouls
4CBAD214
1456E7A5

P1 scores 500 pts
800A0214 01F4

Reduce 3ptrs value to gain attribute pts - JR Reid
800AC29C 0014

P2 Scores 99 Points
4CBAD268
1456E788

P1 Scores 99 Points
4CBAD24C
1456E788

P2 Scores 0 pts
800A0234 0000

P2 Scores 500 pts
800A0234 014

Inf Turbo for - JR Reid
800A03CA 0006
800A03CE 0006

P2 No Fouls
4CBAD218
1456E7A5

P2 Lots of Fouls
4CBAD218
1456E7D7

P1 Scores 0 pts
800A0214 0000

Play as Giant - JR Reid
800AC266 0775

P1 Lots of Fouls
4CBAD214
1456E7D7